21018889441

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{15017}}^1$

素因数の和:15265

約数の個数: 32

約数和(自身を含む): 24927477120

約数和(自身を除く): 3908587679

約数列:

[1, 11, 19, 37, 181, 209, 407, 703, 1991, 3439, 6697, 7733, 15017, 37829, 73667, 127243, 165187, 285323, 555629, 1399673, 2718077, 3138553, 6111919, 10556951, 29898847, 51643463, 100568849, 116126461, 568078093, 1106257339, 1910808131, 21018889441]

約数ペア:

[(1, 21018889441), (11, 1910808131), (19, 1106257339), (37, 568078093), (181, 116126461), (209, 100568849), (407, 51643463), (703, 29898847), (1991, 10556951), (3439, 6111919), (6697, 3138553), (7733, 2718077), (15017, 1399673), (37829, 555629), (73667, 285323), (127243, 165187)]