21936560

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7411}}^1$

素因数の和:7461

約数の個数: 40

約数和(自身を含む): 52388016

約数和(自身を除く): 30451456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 7411, 14822, 29644, 37055, 59288, 74110, 118576, 148220, 274207, 296440, 548414, 592880, 1096828, 1371035, 2193656, 2742070, 4387312, 5484140, 10968280, 21936560]

約数ペア:

[(1, 21936560), (2, 10968280), (4, 5484140), (5, 4387312), (8, 2742070), (10, 2193656), (16, 1371035), (20, 1096828), (37, 592880), (40, 548414), (74, 296440), (80, 274207), (148, 148220), (185, 118576), (296, 74110), (370, 59288), (592, 37055), (740, 29644), (1480, 14822), (2960, 7411)]