21358472

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1223}}^1$

素因数の和:1325

約数の個数: 32

約数和(自身を含む): 41860800

約数和(自身を除く): 20502328

約数列:

[1, 2, 4, 8, 37, 59, 74, 118, 148, 236, 296, 472, 1223, 2183, 2446, 4366, 4892, 8732, 9784, 17464, 45251, 72157, 90502, 144314, 181004, 288628, 362008, 577256, 2669809, 5339618, 10679236, 21358472]

約数ペア:

[(1, 21358472), (2, 10679236), (4, 5339618), (8, 2669809), (37, 577256), (59, 362008), (74, 288628), (118, 181004), (148, 144314), (236, 90502), (296, 72157), (472, 45251), (1223, 17464), (2183, 9784), (2446, 8732), (4366, 4892)]