21500988

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{105397}}^1$

素因数の和:105421

約数の個数: 24

約数和(自身を含む): 53120592

約数和(自身を除く): 31619604

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 105397, 210794, 316191, 421588, 632382, 1264764, 1791749, 3583498, 5375247, 7166996, 10750494, 21500988]

約数ペア:

[(1, 21500988), (2, 10750494), (3, 7166996), (4, 5375247), (6, 3583498), (12, 1791749), (17, 1264764), (34, 632382), (51, 421588), (68, 316191), (102, 210794), (204, 105397)]