21430676

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2789}}^1$

素因数の和:2923

約数の個数: 24

約数和(自身を含む): 40075560

約数和(自身を除く): 18644884

約数列:

[1, 2, 4, 17, 34, 68, 113, 226, 452, 1921, 2789, 3842, 5578, 7684, 11156, 47413, 94826, 189652, 315157, 630314, 1260628, 5357669, 10715338, 21430676]

約数ペア:

[(1, 21430676), (2, 10715338), (4, 5357669), (17, 1260628), (34, 630314), (68, 315157), (113, 189652), (226, 94826), (452, 47413), (1921, 11156), (2789, 7684), (3842, 5578)]