21898352

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4547}}^1$

素因数の和:4605

約数の個数: 40

約数和(自身を含む): 49627776

約数和(自身を除く): 27729424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4547, 4816, 9094, 18188, 31829, 36376, 63658, 72752, 127316, 195521, 254632, 391042, 509264, 782084, 1368647, 1564168, 2737294, 3128336, 5474588, 10949176, 21898352]

約数ペア:

[(1, 21898352), (2, 10949176), (4, 5474588), (7, 3128336), (8, 2737294), (14, 1564168), (16, 1368647), (28, 782084), (43, 509264), (56, 391042), (86, 254632), (112, 195521), (172, 127316), (301, 72752), (344, 63658), (602, 36376), (688, 31829), (1204, 18188), (2408, 9094), (4547, 4816)]