21952996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2689}}^1$

素因数の和:2863

約数の個数: 24

約数和(自身を含む): 41651960

約数和(自身を除く): 19698964

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 2689, 4082, 5378, 8164, 10756, 34957, 69914, 139828, 422173, 844346, 1688692, 5488249, 10976498, 21952996]

約数ペア:

[(1, 21952996), (2, 10976498), (4, 5488249), (13, 1688692), (26, 844346), (52, 422173), (157, 139828), (314, 69914), (628, 34957), (2041, 10756), (2689, 8164), (4082, 5378)]