21112100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{3461}}^1$

素因数の和:3536

約数の個数: 36

約数和(自身を含む): 46577748

約数和(自身を除く): 25465648

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 3461, 6100, 6922, 13844, 17305, 34610, 69220, 86525, 173050, 211121, 346100, 422242, 844484, 1055605, 2111210, 4222420, 5278025, 10556050, 21112100]

約数ペア:

[(1, 21112100), (2, 10556050), (4, 5278025), (5, 4222420), (10, 2111210), (20, 1055605), (25, 844484), (50, 422242), (61, 346100), (100, 211121), (122, 173050), (244, 86525), (305, 69220), (610, 34610), (1220, 17305), (1525, 13844), (3050, 6922), (3461, 6100)]