21536847

素因数分解:

$3^6\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1002

約数の個数: 28

約数和(自身を含む): 33367104

約数和(自身を除く): 11830257

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 729, 837, 953, 2511, 2859, 7533, 8577, 22599, 25731, 29543, 77193, 88629, 231579, 265887, 694737, 797661, 2392983, 7178949, 21536847]

約数ペア:

[(1, 21536847), (3, 7178949), (9, 2392983), (27, 797661), (31, 694737), (81, 265887), (93, 231579), (243, 88629), (279, 77193), (729, 29543), (837, 25731), (953, 22599), (2511, 8577), (2859, 7533)]