21851700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{431}}^1$

素因数の和:474

約数の個数: 108

約数和(自身を含む): 68620608

約数和(自身を除く): 46768908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 169, 195, 260, 300, 325, 338, 390, 431, 507, 650, 676, 780, 845, 862, 975, 1014, 1293, 1300, 1690, 1724, 1950, 2028, 2155, 2535, 2586, 3380, 3900, 4225, 4310, 5070, 5172, 5603, 6465, 8450, 8620, 10140, 10775, 11206, 12675, 12930, 16809, 16900, 21550, 22412, 25350, 25860, 28015, 32325, 33618, 43100, 50700, 56030, 64650, 67236, 72839, 84045, 112060, 129300, 140075, 145678, 168090, 218517, 280150, 291356, 336180, 364195, 420225, 437034, 560300, 728390, 840450, 874068, 1092585, 1456780, 1680900, 1820975, 2185170, 3641950, 4370340, 5462925, 7283900, 10925850, 21851700]

約数ペア:

[(1, 21851700), (2, 10925850), (3, 7283900), (4, 5462925), (5, 4370340), (6, 3641950), (10, 2185170), (12, 1820975), (13, 1680900), (15, 1456780), (20, 1092585), (25, 874068), (26, 840450), (30, 728390), (39, 560300), (50, 437034), (52, 420225), (60, 364195), (65, 336180), (75, 291356), (78, 280150), (100, 218517), (130, 168090), (150, 145678), (156, 140075), (169, 129300), (195, 112060), (260, 84045), (300, 72839), (325, 67236), (338, 64650), (390, 56030), (431, 50700), (507, 43100), (650, 33618), (676, 32325), (780, 28015), (845, 25860), (862, 25350), (975, 22412), (1014, 21550), (1293, 16900), (1300, 16809), (1690, 12930), (1724, 12675), (1950, 11206), (2028, 10775), (2155, 10140), (2535, 8620), (2586, 8450), (3380, 6465), (3900, 5603), (4225, 5172), (4310, 5070)]