2157430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1783}}^1$

素因数の和:1812

約数の個数: 24

約数和(自身を含む): 4270896

約数和(自身を除く): 2113466

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1783, 3566, 8915, 17830, 19613, 39226, 98065, 196130, 215743, 431486, 1078715, 2157430]

約数ペア:

[(1, 2157430), (2, 1078715), (5, 431486), (10, 215743), (11, 196130), (22, 98065), (55, 39226), (110, 19613), (121, 17830), (242, 8915), (605, 3566), (1210, 1783)]