21009722

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:422

約数の個数: 24

約数和(自身を含む): 33833856

約数和(自身を除く): 12824134

約数列:

[1, 2, 17, 34, 163, 223, 289, 326, 446, 578, 2771, 3791, 5542, 7582, 36349, 47107, 64447, 72698, 94214, 128894, 617933, 1235866, 10504861, 21009722]

約数ペア:

[(1, 21009722), (2, 10504861), (17, 1235866), (34, 617933), (163, 128894), (223, 94214), (289, 72698), (326, 64447), (446, 47107), (578, 36349), (2771, 7582), (3791, 5542)]