21387196

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1277}}^1$

素因数の和:1413

約数の個数: 24

約数和(自身を含む): 38646720

約数和(自身を除く): 17259524

約数列:

[1, 2, 4, 53, 79, 106, 158, 212, 316, 1277, 2554, 4187, 5108, 8374, 16748, 67681, 100883, 135362, 201766, 270724, 403532, 5346799, 10693598, 21387196]

約数ペア:

[(1, 21387196), (2, 10693598), (4, 5346799), (53, 403532), (79, 270724), (106, 201766), (158, 135362), (212, 100883), (316, 67681), (1277, 16748), (2554, 8374), (4187, 5108)]