21348296

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 41289600

約数和(自身を除く): 19941304

約数列:

[1, 2, 4, 8, 43, 86, 172, 229, 271, 344, 458, 542, 916, 1084, 1832, 2168, 9847, 11653, 19694, 23306, 39388, 46612, 62059, 78776, 93224, 124118, 248236, 496472, 2668537, 5337074, 10674148, 21348296]

約数ペア:

[(1, 21348296), (2, 10674148), (4, 5337074), (8, 2668537), (43, 496472), (86, 248236), (172, 124118), (229, 93224), (271, 78776), (344, 62059), (458, 46612), (542, 39388), (916, 23306), (1084, 19694), (1832, 11653), (2168, 9847)]