21503306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{6473}}^1$

素因数の和:6637

約数の個数: 16

約数和(自身を含む): 35425728

約数和(自身を除く): 13922422

約数列:

[1, 2, 11, 22, 151, 302, 1661, 3322, 6473, 12946, 71203, 142406, 977423, 1954846, 10751653, 21503306]

約数ペア:

[(1, 21503306), (2, 10751653), (11, 1954846), (22, 977423), (151, 142406), (302, 71203), (1661, 12946), (3322, 6473)]