21093028820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3121}}^1\times {\mathrm{9133}}^1$

素因数の和:12300

約数の個数: 48

約数和(自身を含む): 45512091408

約数和(自身を除く): 24419062588

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 3121, 6242, 9133, 12484, 15605, 18266, 31210, 36532, 45665, 62420, 91330, 115477, 182660, 230954, 337921, 461908, 577385, 675842, 1154770, 1351684, 1689605, 2309540, 3379210, 6758420, 28504093, 57008186, 114016372, 142520465, 285040930, 570081860, 1054651441, 2109302882, 4218605764, 5273257205, 10546514410, 21093028820]

約数ペア:

[(1, 21093028820), (2, 10546514410), (4, 5273257205), (5, 4218605764), (10, 2109302882), (20, 1054651441), (37, 570081860), (74, 285040930), (148, 142520465), (185, 114016372), (370, 57008186), (740, 28504093), (3121, 6758420), (6242, 3379210), (9133, 2309540), (12484, 1689605), (15605, 1351684), (18266, 1154770), (31210, 675842), (36532, 577385), (45665, 461908), (62420, 337921), (91330, 230954), (115477, 182660)]