21545250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1249}}^1$

素因数の和:1292

約数の個数: 64

約数和(自身を含む): 56160000

約数和(自身を除く): 34614750

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 125, 138, 150, 230, 250, 345, 375, 575, 690, 750, 1150, 1249, 1725, 2498, 2875, 3450, 3747, 5750, 6245, 7494, 8625, 12490, 17250, 18735, 28727, 31225, 37470, 57454, 62450, 86181, 93675, 143635, 156125, 172362, 187350, 287270, 312250, 430905, 468375, 718175, 861810, 936750, 1436350, 2154525, 3590875, 4309050, 7181750, 10772625, 21545250]

約数ペア:

[(1, 21545250), (2, 10772625), (3, 7181750), (5, 4309050), (6, 3590875), (10, 2154525), (15, 1436350), (23, 936750), (25, 861810), (30, 718175), (46, 468375), (50, 430905), (69, 312250), (75, 287270), (115, 187350), (125, 172362), (138, 156125), (150, 143635), (230, 93675), (250, 86181), (345, 62450), (375, 57454), (575, 37470), (690, 31225), (750, 28727), (1150, 18735), (1249, 17250), (1725, 12490), (2498, 8625), (2875, 7494), (3450, 6245), (3747, 5750)]