21712214

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{7451}}^1$

素因数の和:7531

約数の個数: 16

約数和(自身を含む): 34338816

約数和(自身を除く): 12626602

約数列:

[1, 2, 31, 47, 62, 94, 1457, 2914, 7451, 14902, 230981, 350197, 461962, 700394, 10856107, 21712214]

約数ペア:

[(1, 21712214), (2, 10856107), (31, 700394), (47, 461962), (62, 350197), (94, 230981), (1457, 14902), (2914, 7451)]