21555814

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:700

約数の個数: 32

約数和(自身を含む): 38497536

約数和(自身を除く): 16941722

約数列:

[1, 2, 7, 14, 43, 61, 86, 122, 301, 427, 587, 602, 854, 1174, 2623, 4109, 5246, 8218, 18361, 25241, 35807, 36722, 50482, 71614, 176687, 250649, 353374, 501298, 1539701, 3079402, 10777907, 21555814]

約数ペア:

[(1, 21555814), (2, 10777907), (7, 3079402), (14, 1539701), (43, 501298), (61, 353374), (86, 250649), (122, 176687), (301, 71614), (427, 50482), (587, 36722), (602, 35807), (854, 25241), (1174, 18361), (2623, 8218), (4109, 5246)]