21622975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 29752560

約数和(自身を除く): 8129585

約数列:

[1, 5, 11, 25, 55, 61, 275, 305, 671, 1289, 1525, 3355, 6445, 14179, 16775, 32225, 70895, 78629, 354475, 393145, 864919, 1965725, 4324595, 21622975]

約数ペア:

[(1, 21622975), (5, 4324595), (11, 1965725), (25, 864919), (55, 393145), (61, 354475), (275, 78629), (305, 70895), (671, 32225), (1289, 16775), (1525, 14179), (3355, 6445)]