21843380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2897}}^1$

素因数の和:2948

約数の個数: 48

約数和(自身を含む): 51120720

約数和(自身を除く): 29277340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 2897, 3770, 5794, 7540, 11588, 14485, 28970, 37661, 57940, 75322, 84013, 150644, 168026, 188305, 336052, 376610, 420065, 753220, 840130, 1092169, 1680260, 2184338, 4368676, 5460845, 10921690, 21843380]

約数ペア:

[(1, 21843380), (2, 10921690), (4, 5460845), (5, 4368676), (10, 2184338), (13, 1680260), (20, 1092169), (26, 840130), (29, 753220), (52, 420065), (58, 376610), (65, 336052), (116, 188305), (130, 168026), (145, 150644), (260, 84013), (290, 75322), (377, 57940), (580, 37661), (754, 28970), (1508, 14485), (1885, 11588), (2897, 7540), (3770, 5794)]