21386370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19267}}^1$

素因数の和:19314

約数の個数: 32

約数和(自身を含む): 52717248

約数和(自身を除く): 31330878

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 19267, 38534, 57801, 96335, 115602, 192670, 289005, 578010, 712879, 1425758, 2138637, 3564395, 4277274, 7128790, 10693185, 21386370]

約数ペア:

[(1, 21386370), (2, 10693185), (3, 7128790), (5, 4277274), (6, 3564395), (10, 2138637), (15, 1425758), (30, 712879), (37, 578010), (74, 289005), (111, 192670), (185, 115602), (222, 96335), (370, 57801), (555, 38534), (1110, 19267)]