21013602

素因数分解:

$2^1\times 3^1\times {\mathrm{409}}^1\times {\mathrm{8563}}^1$

素因数の和:8977

約数の個数: 16

約数和(自身を含む): 42134880

約数和(自身を除く): 21121278

約数列:

[1, 2, 3, 6, 409, 818, 1227, 2454, 8563, 17126, 25689, 51378, 3502267, 7004534, 10506801, 21013602]

約数ペア:

[(1, 21013602), (2, 10506801), (3, 7004534), (6, 3502267), (409, 51378), (818, 25689), (1227, 17126), (2454, 8563)]