21509174

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{5581}}^1$

素因数の和:5671

約数の個数: 16

約数和(自身を含む): 33759936

約数和(自身を除く): 12250762

約数列:

[1, 2, 41, 47, 82, 94, 1927, 3854, 5581, 11162, 228821, 262307, 457642, 524614, 10754587, 21509174]

約数ペア:

[(1, 21509174), (2, 10754587), (41, 524614), (47, 457642), (82, 262307), (94, 228821), (1927, 11162), (3854, 5581)]