21059666

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1427}}^1$

素因数の和:1633

約数の個数: 16

約数和(自身を含む): 32489856

約数和(自身を除く): 11430190

約数列:

[1, 2, 47, 94, 157, 314, 1427, 2854, 7379, 14758, 67069, 134138, 224039, 448078, 10529833, 21059666]

約数ペア:

[(1, 21059666), (2, 10529833), (47, 448078), (94, 224039), (157, 134138), (314, 67069), (1427, 14758), (2854, 7379)]