21586812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7283}}^1$

素因数の和:7322

約数の個数: 48

約数和(自身を含む): 57106560

約数和(自身を除く): 35519748

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 7283, 14566, 21849, 29132, 43698, 87396, 94679, 138377, 189358, 276754, 284037, 378716, 415131, 553508, 568074, 830262, 1136148, 1660524, 1798901, 3597802, 5396703, 7195604, 10793406, 21586812]

約数ペア:

[(1, 21586812), (2, 10793406), (3, 7195604), (4, 5396703), (6, 3597802), (12, 1798901), (13, 1660524), (19, 1136148), (26, 830262), (38, 568074), (39, 553508), (52, 415131), (57, 378716), (76, 284037), (78, 276754), (114, 189358), (156, 138377), (228, 94679), (247, 87396), (494, 43698), (741, 29132), (988, 21849), (1482, 14566), (2964, 7283)]