21738524

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{683}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 38974320

約数和(自身を除く): 17235796

約数列:

[1, 2, 4, 73, 109, 146, 218, 292, 436, 683, 1366, 2732, 7957, 15914, 31828, 49859, 74447, 99718, 148894, 199436, 297788, 5434631, 10869262, 21738524]

約数ペア:

[(1, 21738524), (2, 10869262), (4, 5434631), (73, 297788), (109, 199436), (146, 148894), (218, 99718), (292, 74447), (436, 49859), (683, 31828), (1366, 15914), (2732, 7957)]