21236762

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1439}}^1$

素因数の和:1645

約数の個数: 16

約数和(自身を含む): 32762880

約数和(自身を除く): 11526118

約数列:

[1, 2, 47, 94, 157, 314, 1439, 2878, 7379, 14758, 67633, 135266, 225923, 451846, 10618381, 21236762]

約数ペア:

[(1, 21236762), (2, 10618381), (47, 451846), (94, 225923), (157, 135266), (314, 67633), (1439, 14758), (2878, 7379)]