21193812

素因数分解:

$2^2\times 3^4\times {\mathrm{65413}}^1$

素因数の和:65429

約数の個数: 30

約数和(自身を含む): 55405658

約数和(自身を除く): 34211846

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65413, 130826, 196239, 261652, 392478, 588717, 784956, 1177434, 1766151, 2354868, 3532302, 5298453, 7064604, 10596906, 21193812]

約数ペア:

[(1, 21193812), (2, 10596906), (3, 7064604), (4, 5298453), (6, 3532302), (9, 2354868), (12, 1766151), (18, 1177434), (27, 784956), (36, 588717), (54, 392478), (81, 261652), (108, 196239), (162, 130826), (324, 65413)]