21266558

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{20177}}^1$

素因数の和:20227

約数の個数: 16

約数和(自身を含む): 34867584

約数和(自身を除く): 13601026

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 20177, 40354, 343009, 625487, 686018, 1250974, 10633279, 21266558]

約数ペア:

[(1, 21266558), (2, 10633279), (17, 1250974), (31, 686018), (34, 625487), (62, 343009), (527, 40354), (1054, 20177)]