21857250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 55201536

約数和(自身を除く): 33344286

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 151, 193, 250, 302, 375, 386, 453, 579, 750, 755, 906, 965, 1158, 1510, 1930, 2265, 2895, 3775, 4530, 4825, 5790, 7550, 9650, 11325, 14475, 18875, 22650, 24125, 28950, 29143, 37750, 48250, 56625, 58286, 72375, 87429, 113250, 144750, 145715, 174858, 291430, 437145, 728575, 874290, 1457150, 2185725, 3642875, 4371450, 7285750, 10928625, 21857250]

約数ペア:

[(1, 21857250), (2, 10928625), (3, 7285750), (5, 4371450), (6, 3642875), (10, 2185725), (15, 1457150), (25, 874290), (30, 728575), (50, 437145), (75, 291430), (125, 174858), (150, 145715), (151, 144750), (193, 113250), (250, 87429), (302, 72375), (375, 58286), (386, 56625), (453, 48250), (579, 37750), (750, 29143), (755, 28950), (906, 24125), (965, 22650), (1158, 18875), (1510, 14475), (1930, 11325), (2265, 9650), (2895, 7550), (3775, 5790), (4530, 4825)]