21650109

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^2$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 31943520

約数和(自身を除く): 10293411

約数列:

[1, 3, 13, 39, 59, 97, 177, 291, 767, 1261, 2301, 3783, 5723, 9409, 17169, 28227, 74399, 122317, 223197, 366951, 555131, 1665393, 7216703, 21650109]

約数ペア:

[(1, 21650109), (3, 7216703), (13, 1665393), (39, 555131), (59, 366951), (97, 223197), (177, 122317), (291, 74399), (767, 28227), (1261, 17169), (2301, 9409), (3783, 5723)]