21337572

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{19979}}^1$

素因数の和:20075

約数の個数: 24

約数和(自身を含む): 50349600

約数和(自身を除く): 29012028

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 19979, 39958, 59937, 79916, 119874, 239748, 1778131, 3556262, 5334393, 7112524, 10668786, 21337572]

約数ペア:

[(1, 21337572), (2, 10668786), (3, 7112524), (4, 5334393), (6, 3556262), (12, 1778131), (89, 239748), (178, 119874), (267, 79916), (356, 59937), (534, 39958), (1068, 19979)]