21162608

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{21683}}^1$

素因数の和:21752

約数の個数: 20

約数和(自身を含む): 41676648

約数和(自身を除く): 20514040

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 21683, 43366, 86732, 173464, 346928, 1322663, 2645326, 5290652, 10581304, 21162608]

約数ペア:

[(1, 21162608), (2, 10581304), (4, 5290652), (8, 2645326), (16, 1322663), (61, 346928), (122, 173464), (244, 86732), (488, 43366), (976, 21683)]