21480684

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{20113}}^1$

素因数の和:20209

約数の個数: 24

約数和(自身を含む): 50687280

約数和(自身を除く): 29206596

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 20113, 40226, 60339, 80452, 120678, 241356, 1790057, 3580114, 5370171, 7160228, 10740342, 21480684]

約数ペア:

[(1, 21480684), (2, 10740342), (3, 7160228), (4, 5370171), (6, 3580114), (12, 1790057), (89, 241356), (178, 120678), (267, 80452), (356, 60339), (534, 40226), (1068, 20113)]