21684316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3583}}^1$

素因数の和:3693

約数の個数: 24

約数和(自身を含む): 40642560

約数和(自身を除く): 18958244

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 3583, 6052, 7166, 14332, 60911, 121822, 243644, 318887, 637774, 1275548, 5421079, 10842158, 21684316]

約数ペア:

[(1, 21684316), (2, 10842158), (4, 5421079), (17, 1275548), (34, 637774), (68, 318887), (89, 243644), (178, 121822), (356, 60911), (1513, 14332), (3026, 7166), (3583, 6052)]