21940320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1063}}^1$

素因数の和:1124

約数の個数: 96

約数和(自身を含む): 70785792

約数和(自身を除く): 48845472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 1032, 1063, 1290, 1376, 1720, 2064, 2126, 2580, 3189, 3440, 4128, 4252, 5160, 5315, 6378, 6880, 8504, 10320, 10630, 12756, 15945, 17008, 20640, 21260, 25512, 31890, 34016, 42520, 45709, 51024, 63780, 85040, 91418, 102048, 127560, 137127, 170080, 182836, 228545, 255120, 274254, 365672, 457090, 510240, 548508, 685635, 731344, 914180, 1097016, 1371270, 1462688, 1828360, 2194032, 2742540, 3656720, 4388064, 5485080, 7313440, 10970160, 21940320]

約数ペア:

[(1, 21940320), (2, 10970160), (3, 7313440), (4, 5485080), (5, 4388064), (6, 3656720), (8, 2742540), (10, 2194032), (12, 1828360), (15, 1462688), (16, 1371270), (20, 1097016), (24, 914180), (30, 731344), (32, 685635), (40, 548508), (43, 510240), (48, 457090), (60, 365672), (80, 274254), (86, 255120), (96, 228545), (120, 182836), (129, 170080), (160, 137127), (172, 127560), (215, 102048), (240, 91418), (258, 85040), (344, 63780), (430, 51024), (480, 45709), (516, 42520), (645, 34016), (688, 31890), (860, 25512), (1032, 21260), (1063, 20640), (1290, 17008), (1376, 15945), (1720, 12756), (2064, 10630), (2126, 10320), (2580, 8504), (3189, 6880), (3440, 6378), (4128, 5315), (4252, 5160)]