15811972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21139}}^1$

素因数の和:21171

約数の個数: 24

約数和(自身を含む): 31963680

約数和(自身を除く): 16151708

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 21139, 42278, 84556, 232529, 359363, 465058, 718726, 930116, 1437452, 3952993, 7905986, 15811972]

約数ペア:

[(1, 15811972), (2, 7905986), (4, 3952993), (11, 1437452), (17, 930116), (22, 718726), (34, 465058), (44, 359363), (68, 232529), (187, 84556), (374, 42278), (748, 21139)]