21768130

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53093}}^1$

素因数の和:53141

約数の個数: 16

約数和(自身を含む): 40139064

約数和(自身を除く): 18370934

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 53093, 106186, 265465, 530930, 2176813, 4353626, 10884065, 21768130]

約数ペア:

[(1, 21768130), (2, 10884065), (5, 4353626), (10, 2176813), (41, 530930), (82, 265465), (205, 106186), (410, 53093)]