21307088

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121063}}^1$

素因数の和:121082

約数の個数: 20

約数和(自身を含む): 45035808

約数和(自身を除く): 23728720

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121063, 242126, 484252, 968504, 1331693, 1937008, 2663386, 5326772, 10653544, 21307088]

約数ペア:

[(1, 21307088), (2, 10653544), (4, 5326772), (8, 2663386), (11, 1937008), (16, 1331693), (22, 968504), (44, 484252), (88, 242126), (176, 121063)]