21016593

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{683}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 32864832

約数和(自身を除く): 11848239

約数列:

[1, 3, 9, 13, 39, 117, 263, 683, 789, 2049, 2367, 3419, 6147, 8879, 10257, 26637, 30771, 79911, 179629, 538887, 1616661, 2335177, 7005531, 21016593]

約数ペア:

[(1, 21016593), (3, 7005531), (9, 2335177), (13, 1616661), (39, 538887), (117, 179629), (263, 79911), (683, 30771), (789, 26637), (2049, 10257), (2367, 8879), (3419, 6147)]