21111774

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1699}}^1$

素因数の和:1832

約数の個数: 32

約数和(自身を含む): 44880000

約数和(自身を除く): 23768226

約数列:

[1, 2, 3, 6, 19, 38, 57, 109, 114, 218, 327, 654, 1699, 2071, 3398, 4142, 5097, 6213, 10194, 12426, 32281, 64562, 96843, 185191, 193686, 370382, 555573, 1111146, 3518629, 7037258, 10555887, 21111774]

約数ペア:

[(1, 21111774), (2, 10555887), (3, 7037258), (6, 3518629), (19, 1111146), (38, 555573), (57, 370382), (109, 193686), (114, 185191), (218, 96843), (327, 64562), (654, 32281), (1699, 12426), (2071, 10194), (3398, 6213), (4142, 5097)]