21498537

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1801}}^1$

素因数の和:2000

約数の個数: 16

約数和(自身を含む): 30100608

約数和(自身を除く): 8602071

約数列:

[1, 3, 23, 69, 173, 519, 1801, 3979, 5403, 11937, 41423, 124269, 311573, 934719, 7166179, 21498537]

約数ペア:

[(1, 21498537), (3, 7166179), (23, 934719), (69, 311573), (173, 124269), (519, 41423), (1801, 11937), (3979, 5403)]