21248500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1$

素因数の和:506

約数の個数: 96

約数和(自身を含む): 57238272

約数和(自身を除く): 35989772

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 125, 130, 140, 175, 182, 250, 260, 325, 350, 364, 455, 467, 500, 650, 700, 875, 910, 934, 1300, 1625, 1750, 1820, 1868, 2275, 2335, 3250, 3269, 3500, 4550, 4670, 6071, 6500, 6538, 9100, 9340, 11375, 11675, 12142, 13076, 16345, 22750, 23350, 24284, 30355, 32690, 42497, 45500, 46700, 58375, 60710, 65380, 81725, 84994, 116750, 121420, 151775, 163450, 169988, 212485, 233500, 303550, 326900, 408625, 424970, 607100, 758875, 817250, 849940, 1062425, 1517750, 1634500, 2124850, 3035500, 4249700, 5312125, 10624250, 21248500]

約数ペア:

[(1, 21248500), (2, 10624250), (4, 5312125), (5, 4249700), (7, 3035500), (10, 2124850), (13, 1634500), (14, 1517750), (20, 1062425), (25, 849940), (26, 817250), (28, 758875), (35, 607100), (50, 424970), (52, 408625), (65, 326900), (70, 303550), (91, 233500), (100, 212485), (125, 169988), (130, 163450), (140, 151775), (175, 121420), (182, 116750), (250, 84994), (260, 81725), (325, 65380), (350, 60710), (364, 58375), (455, 46700), (467, 45500), (500, 42497), (650, 32690), (700, 30355), (875, 24284), (910, 23350), (934, 22750), (1300, 16345), (1625, 13076), (1750, 12142), (1820, 11675), (1868, 11375), (2275, 9340), (2335, 9100), (3250, 6538), (3269, 6500), (3500, 6071), (4550, 4670)]