21054376

素因数分解:

$2^3\times 7^1\times {\mathrm{375971}}^1$

素因数の和:375984

約数の個数: 16

約数和(自身を含む): 45116640

約数和(自身を除く): 24062264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 375971, 751942, 1503884, 2631797, 3007768, 5263594, 10527188, 21054376]

約数ペア:

[(1, 21054376), (2, 10527188), (4, 5263594), (7, 3007768), (8, 2631797), (14, 1503884), (28, 751942), (56, 375971)]