21635722

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{617}}^1$

素因数の和:905

約数の個数: 16

約数和(自身を含む): 33038280

約数和(自身を除く): 11402558

約数列:

[1, 2, 89, 178, 197, 394, 617, 1234, 17533, 35066, 54913, 109826, 121549, 243098, 10817861, 21635722]

約数ペア:

[(1, 21635722), (2, 10817861), (89, 243098), (178, 121549), (197, 109826), (394, 54913), (617, 35066), (1234, 17533)]