21968380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4241}}^1$

素因数の和:4294

約数の個数: 48

約数和(自身を含む): 54161856

約数和(自身を除く): 32193476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 4241, 5180, 8482, 16964, 21205, 29687, 42410, 59374, 84820, 118748, 148435, 156917, 296870, 313834, 593740, 627668, 784585, 1098419, 1569170, 2196838, 3138340, 4393676, 5492095, 10984190, 21968380]

約数ペア:

[(1, 21968380), (2, 10984190), (4, 5492095), (5, 4393676), (7, 3138340), (10, 2196838), (14, 1569170), (20, 1098419), (28, 784585), (35, 627668), (37, 593740), (70, 313834), (74, 296870), (140, 156917), (148, 148435), (185, 118748), (259, 84820), (370, 59374), (518, 42410), (740, 29687), (1036, 21205), (1295, 16964), (2590, 8482), (4241, 5180)]