21459298

素因数分解:

$2^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1867}}^1$

素因数の和:2697

約数の個数: 16

約数和(自身を含む): 36851904

約数和(自身を除く): 15392606

約数列:

[1, 2, 7, 14, 821, 1642, 1867, 3734, 5747, 11494, 13069, 26138, 1532807, 3065614, 10729649, 21459298]

約数ペア:

[(1, 21459298), (2, 10729649), (7, 3065614), (14, 1532807), (821, 26138), (1642, 13069), (1867, 11494), (3734, 5747)]