21417100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{3511}}^1$

素因数の和:3586

約数の個数: 36

約数和(自身を含む): 47250448

約数和(自身を除く): 25833348

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 3511, 6100, 7022, 14044, 17555, 35110, 70220, 87775, 175550, 214171, 351100, 428342, 856684, 1070855, 2141710, 4283420, 5354275, 10708550, 21417100]

約数ペア:

[(1, 21417100), (2, 10708550), (4, 5354275), (5, 4283420), (10, 2141710), (20, 1070855), (25, 856684), (50, 428342), (61, 351100), (100, 214171), (122, 175550), (244, 87775), (305, 70220), (610, 35110), (1220, 17555), (1525, 14044), (3050, 7022), (3511, 6100)]