21245844

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 51497600

約数和(自身を除く): 30251756

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 109, 111, 148, 218, 222, 327, 436, 439, 444, 654, 878, 1308, 1317, 1756, 2634, 4033, 5268, 8066, 12099, 16132, 16243, 24198, 32486, 47851, 48396, 48729, 64972, 95702, 97458, 143553, 191404, 194916, 287106, 574212, 1770487, 3540974, 5311461, 7081948, 10622922, 21245844]

約数ペア:

[(1, 21245844), (2, 10622922), (3, 7081948), (4, 5311461), (6, 3540974), (12, 1770487), (37, 574212), (74, 287106), (109, 194916), (111, 191404), (148, 143553), (218, 97458), (222, 95702), (327, 64972), (436, 48729), (439, 48396), (444, 47851), (654, 32486), (878, 24198), (1308, 16243), (1317, 16132), (1756, 12099), (2634, 8066), (4033, 5268)]