21013140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350219}}^1$

素因数の和:350231

約数の個数: 24

約数和(自身を含む): 58836960

約数和(自身を除く): 37823820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350219, 700438, 1050657, 1400876, 1751095, 2101314, 3502190, 4202628, 5253285, 7004380, 10506570, 21013140]

約数ペア:

[(1, 21013140), (2, 10506570), (3, 7004380), (4, 5253285), (5, 4202628), (6, 3502190), (10, 2101314), (12, 1751095), (15, 1400876), (20, 1050657), (30, 700438), (60, 350219)]