21161352

素因数分解:

$2^3\times 3^1\times {\mathrm{89}}^1\times {\mathrm{9907}}^1$

素因数の和:10005

約数の個数: 32

約数和(自身を含む): 53503200

約数和(自身を除く): 32341848

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 89, 178, 267, 356, 534, 712, 1068, 2136, 9907, 19814, 29721, 39628, 59442, 79256, 118884, 237768, 881723, 1763446, 2645169, 3526892, 5290338, 7053784, 10580676, 21161352]

約数ペア:

[(1, 21161352), (2, 10580676), (3, 7053784), (4, 5290338), (6, 3526892), (8, 2645169), (12, 1763446), (24, 881723), (89, 237768), (178, 118884), (267, 79256), (356, 59442), (534, 39628), (712, 29721), (1068, 19814), (2136, 9907)]