21606627

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 33997824

約数和(自身を除く): 12391197

約数列:

[1, 3, 7, 21, 61, 101, 167, 183, 303, 427, 501, 707, 1169, 1281, 2121, 3507, 6161, 10187, 16867, 18483, 30561, 43127, 50601, 71309, 118069, 129381, 213927, 354207, 1028887, 3086661, 7202209, 21606627]

約数ペア:

[(1, 21606627), (3, 7202209), (7, 3086661), (21, 1028887), (61, 354207), (101, 213927), (167, 129381), (183, 118069), (303, 71309), (427, 50601), (501, 43127), (707, 30561), (1169, 18483), (1281, 16867), (2121, 10187), (3507, 6161)]