21753954

素因数分解:

$2^1\times 3^3\times {\mathrm{402851}}^1$

素因数の和:402862

約数の個数: 16

約数和(自身を含む): 48342240

約数和(自身を除く): 26588286

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 402851, 805702, 1208553, 2417106, 3625659, 7251318, 10876977, 21753954]

約数ペア:

[(1, 21753954), (2, 10876977), (3, 7251318), (6, 3625659), (9, 2417106), (18, 1208553), (27, 805702), (54, 402851)]