21635640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:123

約数の個数: 256

約数和(自身を含む): 82252800

約数和(自身を除く): 60617160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 23, 24, 26, 27, 30, 36, 39, 40, 45, 46, 52, 54, 60, 65, 67, 69, 72, 78, 90, 92, 104, 108, 115, 117, 120, 130, 134, 135, 138, 156, 180, 184, 195, 201, 207, 216, 230, 234, 260, 268, 270, 276, 299, 312, 335, 345, 351, 360, 390, 402, 414, 460, 468, 520, 536, 540, 552, 585, 598, 603, 621, 670, 690, 702, 780, 804, 828, 871, 897, 920, 936, 1005, 1035, 1080, 1170, 1196, 1206, 1242, 1340, 1380, 1404, 1495, 1541, 1560, 1608, 1656, 1742, 1755, 1794, 1809, 2010, 2070, 2340, 2392, 2412, 2484, 2613, 2680, 2691, 2760, 2808, 2990, 3015, 3082, 3105, 3484, 3510, 3588, 3618, 4020, 4140, 4355, 4485, 4623, 4680, 4824, 4968, 5226, 5382, 5980, 6030, 6164, 6210, 6968, 7020, 7176, 7236, 7705, 7839, 8040, 8073, 8280, 8710, 8970, 9045, 9246, 10452, 10764, 11960, 12060, 12328, 12420, 13065, 13455, 13869, 14040, 14472, 15410, 15678, 16146, 17420, 17940, 18090, 18492, 20033, 20904, 21528, 23115, 23517, 24120, 24840, 26130, 26910, 27738, 30820, 31356, 32292, 34840, 35880, 36180, 36984, 39195, 40066, 40365, 41607, 46230, 47034, 52260, 53820, 55476, 60099, 61640, 62712, 64584, 69345, 72360, 78390, 80132, 80730, 83214, 92460, 94068, 100165, 104520, 107640, 110952, 117585, 120198, 138690, 156780, 160264, 161460, 166428, 180297, 184920, 188136, 200330, 208035, 235170, 240396, 277380, 300495, 313560, 322920, 332856, 360594, 400660, 416070, 470340, 480792, 540891, 554760, 600990, 721188, 801320, 832140, 901485, 940680, 1081782, 1201980, 1442376, 1664280, 1802970, 2163564, 2403960, 2704455, 3605940, 4327128, 5408910, 7211880, 10817820, 21635640]

約数ペア:

[(1, 21635640), (2, 10817820), (3, 7211880), (4, 5408910), (5, 4327128), (6, 3605940), (8, 2704455), (9, 2403960), (10, 2163564), (12, 1802970), (13, 1664280), (15, 1442376), (18, 1201980), (20, 1081782), (23, 940680), (24, 901485), (26, 832140), (27, 801320), (30, 721188), (36, 600990), (39, 554760), (40, 540891), (45, 480792), (46, 470340), (52, 416070), (54, 400660), (60, 360594), (65, 332856), (67, 322920), (69, 313560), (72, 300495), (78, 277380), (90, 240396), (92, 235170), (104, 208035), (108, 200330), (115, 188136), (117, 184920), (120, 180297), (130, 166428), (134, 161460), (135, 160264), (138, 156780), (156, 138690), (180, 120198), (184, 117585), (195, 110952), (201, 107640), (207, 104520), (216, 100165), (230, 94068), (234, 92460), (260, 83214), (268, 80730), (270, 80132), (276, 78390), (299, 72360), (312, 69345), (335, 64584), (345, 62712), (351, 61640), (360, 60099), (390, 55476), (402, 53820), (414, 52260), (460, 47034), (468, 46230), (520, 41607), (536, 40365), (540, 40066), (552, 39195), (585, 36984), (598, 36180), (603, 35880), (621, 34840), (670, 32292), (690, 31356), (702, 30820), (780, 27738), (804, 26910), (828, 26130), (871, 24840), (897, 24120), (920, 23517), (936, 23115), (1005, 21528), (1035, 20904), (1080, 20033), (1170, 18492), (1196, 18090), (1206, 17940), (1242, 17420), (1340, 16146), (1380, 15678), (1404, 15410), (1495, 14472), (1541, 14040), (1560, 13869), (1608, 13455), (1656, 13065), (1742, 12420), (1755, 12328), (1794, 12060), (1809, 11960), (2010, 10764), (2070, 10452), (2340, 9246), (2392, 9045), (2412, 8970), (2484, 8710), (2613, 8280), (2680, 8073), (2691, 8040), (2760, 7839), (2808, 7705), (2990, 7236), (3015, 7176), (3082, 7020), (3105, 6968), (3484, 6210), (3510, 6164), (3588, 6030), (3618, 5980), (4020, 5382), (4140, 5226), (4355, 4968), (4485, 4824), (4623, 4680)]