21782306

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4127}}^1$

素因数の和:4178

約数の個数: 32

約数和(自身を含む): 41610240

約数和(自身を除く): 19827934

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 377, 406, 754, 2639, 4127, 5278, 8254, 28889, 53651, 57778, 107302, 119683, 239366, 375557, 751114, 837781, 1555879, 1675562, 3111758, 10891153, 21782306]

約数ペア:

[(1, 21782306), (2, 10891153), (7, 3111758), (13, 1675562), (14, 1555879), (26, 837781), (29, 751114), (58, 375557), (91, 239366), (182, 119683), (203, 107302), (377, 57778), (406, 53651), (754, 28889), (2639, 8254), (4127, 5278)]