21165424

素因数分解:

$2^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3203}}^1$

素因数の和:3277

約数の個数: 40

約数和(自身を含む): 47675520

約数和(自身を除く): 26510096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 59, 112, 118, 236, 413, 472, 826, 944, 1652, 3203, 3304, 6406, 6608, 12812, 22421, 25624, 44842, 51248, 89684, 179368, 188977, 358736, 377954, 755908, 1322839, 1511816, 2645678, 3023632, 5291356, 10582712, 21165424]

約数ペア:

[(1, 21165424), (2, 10582712), (4, 5291356), (7, 3023632), (8, 2645678), (14, 1511816), (16, 1322839), (28, 755908), (56, 377954), (59, 358736), (112, 188977), (118, 179368), (236, 89684), (413, 51248), (472, 44842), (826, 25624), (944, 22421), (1652, 12812), (3203, 6608), (3304, 6406)]