21858720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:175

約数の個数: 192

約数和(自身を含む): 77220864

約数和(自身を除く): 55362144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 96, 104, 113, 120, 124, 130, 155, 156, 160, 186, 195, 208, 226, 240, 248, 260, 310, 312, 339, 372, 390, 403, 416, 452, 465, 480, 496, 520, 565, 620, 624, 678, 744, 780, 806, 904, 930, 992, 1040, 1130, 1209, 1240, 1248, 1356, 1469, 1488, 1560, 1612, 1695, 1808, 1860, 2015, 2080, 2260, 2418, 2480, 2712, 2938, 2976, 3120, 3224, 3390, 3503, 3616, 3720, 4030, 4407, 4520, 4836, 4960, 5424, 5876, 6045, 6240, 6448, 6780, 7006, 7345, 7440, 8060, 8814, 9040, 9672, 10509, 10848, 11752, 12090, 12896, 13560, 14012, 14690, 14880, 16120, 17515, 17628, 18080, 19344, 21018, 22035, 23504, 24180, 27120, 28024, 29380, 32240, 35030, 35256, 38688, 42036, 44070, 45539, 47008, 48360, 52545, 54240, 56048, 58760, 64480, 70060, 70512, 84072, 88140, 91078, 96720, 105090, 112096, 117520, 136617, 140120, 141024, 168144, 176280, 182156, 193440, 210180, 227695, 235040, 273234, 280240, 336288, 352560, 364312, 420360, 455390, 546468, 560480, 683085, 705120, 728624, 840720, 910780, 1092936, 1366170, 1457248, 1681440, 1821560, 2185872, 2732340, 3643120, 4371744, 5464680, 7286240, 10929360, 21858720]

約数ペア:

[(1, 21858720), (2, 10929360), (3, 7286240), (4, 5464680), (5, 4371744), (6, 3643120), (8, 2732340), (10, 2185872), (12, 1821560), (13, 1681440), (15, 1457248), (16, 1366170), (20, 1092936), (24, 910780), (26, 840720), (30, 728624), (31, 705120), (32, 683085), (39, 560480), (40, 546468), (48, 455390), (52, 420360), (60, 364312), (62, 352560), (65, 336288), (78, 280240), (80, 273234), (93, 235040), (96, 227695), (104, 210180), (113, 193440), (120, 182156), (124, 176280), (130, 168144), (155, 141024), (156, 140120), (160, 136617), (186, 117520), (195, 112096), (208, 105090), (226, 96720), (240, 91078), (248, 88140), (260, 84072), (310, 70512), (312, 70060), (339, 64480), (372, 58760), (390, 56048), (403, 54240), (416, 52545), (452, 48360), (465, 47008), (480, 45539), (496, 44070), (520, 42036), (565, 38688), (620, 35256), (624, 35030), (678, 32240), (744, 29380), (780, 28024), (806, 27120), (904, 24180), (930, 23504), (992, 22035), (1040, 21018), (1130, 19344), (1209, 18080), (1240, 17628), (1248, 17515), (1356, 16120), (1469, 14880), (1488, 14690), (1560, 14012), (1612, 13560), (1695, 12896), (1808, 12090), (1860, 11752), (2015, 10848), (2080, 10509), (2260, 9672), (2418, 9040), (2480, 8814), (2712, 8060), (2938, 7440), (2976, 7345), (3120, 7006), (3224, 6780), (3390, 6448), (3503, 6240), (3616, 6045), (3720, 5876), (4030, 5424), (4407, 4960), (4520, 4836)]