21354071

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 23079168

約数和(自身を除く): 1725097

約数列:

[1, 31, 41, 53, 317, 1271, 1643, 2173, 9827, 12997, 16801, 67363, 402907, 520831, 688841, 21354071]

約数ペア:

[(1, 21354071), (31, 688841), (41, 520831), (53, 402907), (317, 67363), (1271, 16801), (1643, 12997), (2173, 9827)]