21612518

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{971}}^1$

素因数の和:1363

約数の個数: 16

約数和(自身を含む): 33592320

約数和(自身を除く): 11979802

約数列:

[1, 2, 31, 62, 359, 718, 971, 1942, 11129, 22258, 30101, 60202, 348589, 697178, 10806259, 21612518]

約数ペア:

[(1, 21612518), (2, 10806259), (31, 697178), (62, 348589), (359, 60202), (718, 30101), (971, 22258), (1942, 11129)]