21817250

素因数分解:

$2^1\times 5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 51538032

約数和(自身を除く): 29720782

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 125, 130, 137, 175, 182, 245, 250, 274, 325, 350, 455, 490, 637, 650, 685, 875, 910, 959, 1225, 1274, 1370, 1625, 1750, 1781, 1918, 2275, 2450, 3185, 3250, 3425, 3562, 4550, 4795, 6125, 6370, 6713, 6850, 8905, 9590, 11375, 12250, 12467, 13426, 15925, 17125, 17810, 22750, 23975, 24934, 31850, 33565, 34250, 44525, 47950, 62335, 67130, 79625, 87269, 89050, 119875, 124670, 159250, 167825, 174538, 222625, 239750, 311675, 335650, 436345, 445250, 623350, 839125, 872690, 1558375, 1678250, 2181725, 3116750, 4363450, 10908625, 21817250]

約数ペア:

[(1, 21817250), (2, 10908625), (5, 4363450), (7, 3116750), (10, 2181725), (13, 1678250), (14, 1558375), (25, 872690), (26, 839125), (35, 623350), (49, 445250), (50, 436345), (65, 335650), (70, 311675), (91, 239750), (98, 222625), (125, 174538), (130, 167825), (137, 159250), (175, 124670), (182, 119875), (245, 89050), (250, 87269), (274, 79625), (325, 67130), (350, 62335), (455, 47950), (490, 44525), (637, 34250), (650, 33565), (685, 31850), (875, 24934), (910, 23975), (959, 22750), (1225, 17810), (1274, 17125), (1370, 15925), (1625, 13426), (1750, 12467), (1781, 12250), (1918, 11375), (2275, 9590), (2450, 8905), (3185, 6850), (3250, 6713), (3425, 6370), (3562, 6125), (4550, 4795)]