21250578

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1327}}^1$

素因数の和:1506

約数の個数: 32

約数和(自身を含む): 45321984

約数和(自身を除く): 24071406

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 157, 314, 471, 942, 1327, 2654, 2669, 3981, 5338, 7962, 8007, 16014, 22559, 45118, 67677, 135354, 208339, 416678, 625017, 1250034, 3541763, 7083526, 10625289, 21250578]

約数ペア:

[(1, 21250578), (2, 10625289), (3, 7083526), (6, 3541763), (17, 1250034), (34, 625017), (51, 416678), (102, 208339), (157, 135354), (314, 67677), (471, 45118), (942, 22559), (1327, 16014), (2654, 8007), (2669, 7962), (3981, 5338)]