21483525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 41013248

約数和(自身を除く): 19529723

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 151, 175, 271, 453, 525, 755, 813, 1057, 1355, 1897, 2265, 3171, 3775, 4065, 5285, 5691, 6775, 9485, 11325, 15855, 20325, 26425, 28455, 40921, 47425, 79275, 122763, 142275, 204605, 286447, 613815, 859341, 1023025, 1432235, 3069075, 4296705, 7161175, 21483525]

約数ペア:

[(1, 21483525), (3, 7161175), (5, 4296705), (7, 3069075), (15, 1432235), (21, 1023025), (25, 859341), (35, 613815), (75, 286447), (105, 204605), (151, 142275), (175, 122763), (271, 79275), (453, 47425), (525, 40921), (755, 28455), (813, 26425), (1057, 20325), (1355, 15855), (1897, 11325), (2265, 9485), (3171, 6775), (3775, 5691), (4065, 5285)]