21123316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2749}}^1$

素因数の和:2883

約数の個数: 24

約数和(自身を含む): 39501000

約数和(自身を除く): 18377684

約数列:

[1, 2, 4, 17, 34, 68, 113, 226, 452, 1921, 2749, 3842, 5498, 7684, 10996, 46733, 93466, 186932, 310637, 621274, 1242548, 5280829, 10561658, 21123316]

約数ペア:

[(1, 21123316), (2, 10561658), (4, 5280829), (17, 1242548), (34, 621274), (68, 310637), (113, 186932), (226, 93466), (452, 46733), (1921, 10996), (2749, 7684), (3842, 5498)]