21588840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:696

約数の個数: 192

約数和(自身を含む): 86486400

約数和(自身を除く): 64897560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 659, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1318, 1365, 1560, 1638, 1820, 1977, 2184, 2340, 2520, 2636, 2730, 3276, 3295, 3640, 3954, 4095, 4613, 4680, 5272, 5460, 5931, 6552, 6590, 7908, 8190, 8567, 9226, 9885, 10920, 11862, 13180, 13839, 15816, 16380, 17134, 18452, 19770, 23065, 23724, 25701, 26360, 27678, 29655, 32760, 34268, 36904, 39540, 41517, 42835, 46130, 47448, 51402, 55356, 59310, 59969, 68536, 69195, 77103, 79080, 83034, 85670, 92260, 102804, 110712, 118620, 119938, 128505, 138390, 154206, 166068, 171340, 179907, 184520, 205608, 207585, 237240, 239876, 257010, 276780, 299845, 308412, 332136, 342680, 359814, 385515, 415170, 479752, 514020, 539721, 553560, 599690, 616824, 719628, 771030, 830340, 899535, 1028040, 1079442, 1199380, 1439256, 1542060, 1660680, 1799070, 2158884, 2398760, 2698605, 3084120, 3598140, 4317768, 5397210, 7196280, 10794420, 21588840]

約数ペア:

[(1, 21588840), (2, 10794420), (3, 7196280), (4, 5397210), (5, 4317768), (6, 3598140), (7, 3084120), (8, 2698605), (9, 2398760), (10, 2158884), (12, 1799070), (13, 1660680), (14, 1542060), (15, 1439256), (18, 1199380), (20, 1079442), (21, 1028040), (24, 899535), (26, 830340), (28, 771030), (30, 719628), (35, 616824), (36, 599690), (39, 553560), (40, 539721), (42, 514020), (45, 479752), (52, 415170), (56, 385515), (60, 359814), (63, 342680), (65, 332136), (70, 308412), (72, 299845), (78, 276780), (84, 257010), (90, 239876), (91, 237240), (104, 207585), (105, 205608), (117, 184520), (120, 179907), (126, 171340), (130, 166068), (140, 154206), (156, 138390), (168, 128505), (180, 119938), (182, 118620), (195, 110712), (210, 102804), (234, 92260), (252, 85670), (260, 83034), (273, 79080), (280, 77103), (312, 69195), (315, 68536), (360, 59969), (364, 59310), (390, 55356), (420, 51402), (455, 47448), (468, 46130), (504, 42835), (520, 41517), (546, 39540), (585, 36904), (630, 34268), (659, 32760), (728, 29655), (780, 27678), (819, 26360), (840, 25701), (910, 23724), (936, 23065), (1092, 19770), (1170, 18452), (1260, 17134), (1318, 16380), (1365, 15816), (1560, 13839), (1638, 13180), (1820, 11862), (1977, 10920), (2184, 9885), (2340, 9226), (2520, 8567), (2636, 8190), (2730, 7908), (3276, 6590), (3295, 6552), (3640, 5931), (3954, 5460), (4095, 5272), (4613, 4680)]