21360278

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{1019}}^1$

素因数の和:1291

約数の個数: 16

約数和(自身を含む): 32901120

約数和(自身を除く): 11540842

約数列:

[1, 2, 47, 94, 223, 446, 1019, 2038, 10481, 20962, 47893, 95786, 227237, 454474, 10680139, 21360278]

約数ペア:

[(1, 21360278), (2, 10680139), (47, 454474), (94, 227237), (223, 95786), (446, 47893), (1019, 20962), (2038, 10481)]