21406992

素因数分解:

$2^4\times 3^1\times {\mathrm{89}}^1\times {\mathrm{5011}}^1$

素因数の和:5111

約数の個数: 40

約数和(自身を含む): 55933920

約数和(自身を除く): 34526928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 89, 178, 267, 356, 534, 712, 1068, 1424, 2136, 4272, 5011, 10022, 15033, 20044, 30066, 40088, 60132, 80176, 120264, 240528, 445979, 891958, 1337937, 1783916, 2675874, 3567832, 5351748, 7135664, 10703496, 21406992]

約数ペア:

[(1, 21406992), (2, 10703496), (3, 7135664), (4, 5351748), (6, 3567832), (8, 2675874), (12, 1783916), (16, 1337937), (24, 891958), (48, 445979), (89, 240528), (178, 120264), (267, 80176), (356, 60132), (534, 40088), (712, 30066), (1068, 20044), (1424, 15033), (2136, 10022), (4272, 5011)]