21012352

素因数分解:

$2^7\times {\mathrm{139}}^1\times {\mathrm{1181}}^1$

素因数の和:1334

約数の個数: 32

約数和(自身を含む): 42197400

約数和(自身を除く): 21185048

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 278, 556, 1112, 1181, 2224, 2362, 4448, 4724, 8896, 9448, 17792, 18896, 37792, 75584, 151168, 164159, 328318, 656636, 1313272, 2626544, 5253088, 10506176, 21012352]

約数ペア:

[(1, 21012352), (2, 10506176), (4, 5253088), (8, 2626544), (16, 1313272), (32, 656636), (64, 328318), (128, 164159), (139, 151168), (278, 75584), (556, 37792), (1112, 18896), (1181, 17792), (2224, 9448), (2362, 8896), (4448, 4724)]