21152677

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1217}}^1$

素因数の和:1428

約数の個数: 16

約数和(自身を含む): 26191872

約数和(自身を除く): 5039195

約数列:

[1, 7, 13, 91, 191, 1217, 1337, 2483, 8519, 15821, 17381, 110747, 232447, 1627129, 3021811, 21152677]

約数ペア:

[(1, 21152677), (7, 3021811), (13, 1627129), (91, 232447), (191, 110747), (1217, 17381), (1337, 15821), (2483, 8519)]