21538694

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{15451}}^1$

素因数の和:15511

約数の個数: 16

約数和(自身を含む): 35045136

約数和(自身を除く): 13506442

約数列:

[1, 2, 17, 34, 41, 82, 697, 1394, 15451, 30902, 262667, 525334, 633491, 1266982, 10769347, 21538694]

約数ペア:

[(1, 21538694), (2, 10769347), (17, 1266982), (34, 633491), (41, 525334), (82, 262667), (697, 30902), (1394, 15451)]