21277140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{354619}}^1$

素因数の和:354631

約数の個数: 24

約数和(自身を含む): 59576160

約数和(自身を除く): 38299020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 354619, 709238, 1063857, 1418476, 1773095, 2127714, 3546190, 4255428, 5319285, 7092380, 10638570, 21277140]

約数ペア:

[(1, 21277140), (2, 10638570), (3, 7092380), (4, 5319285), (5, 4255428), (6, 3546190), (10, 2127714), (12, 1773095), (15, 1418476), (20, 1063857), (30, 709238), (60, 354619)]