21485616

素因数分解:

$2^4\times 3^1\times {\mathrm{447617}}^1$

素因数の和:447628

約数の個数: 20

約数和(自身を含む): 55504632

約数和(自身を除く): 34019016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 447617, 895234, 1342851, 1790468, 2685702, 3580936, 5371404, 7161872, 10742808, 21485616]

約数ペア:

[(1, 21485616), (2, 10742808), (3, 7161872), (4, 5371404), (6, 3580936), (8, 2685702), (12, 1790468), (16, 1342851), (24, 895234), (48, 447617)]