21493316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17971}}^1$

素因数の和:18011

約数の個数: 24

約数和(自身を含む): 42270144

約数和(自身を除く): 20776828

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 17971, 35942, 71884, 233623, 413333, 467246, 826666, 934492, 1653332, 5373329, 10746658, 21493316]

約数ペア:

[(1, 21493316), (2, 10746658), (4, 5373329), (13, 1653332), (23, 934492), (26, 826666), (46, 467246), (52, 413333), (92, 233623), (299, 71884), (598, 35942), (1196, 17971)]