21200330

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7823}}^1$

素因数の和:8101

約数の個数: 16

約数和(自身を含む): 38306304

約数和(自身を除く): 17105974

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 7823, 15646, 39115, 78230, 2120033, 4240066, 10600165, 21200330]

約数ペア:

[(1, 21200330), (2, 10600165), (5, 4240066), (10, 2120033), (271, 78230), (542, 39115), (1355, 15646), (2710, 7823)]