21517430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17783}}^1$

素因数の和:17812

約数の個数: 24

約数和(自身を含む): 42574896

約数和(自身を除く): 21057466

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 17783, 35566, 88915, 177830, 195613, 391226, 978065, 1956130, 2151743, 4303486, 10758715, 21517430]

約数ペア:

[(1, 21517430), (2, 10758715), (5, 4303486), (10, 2151743), (11, 1956130), (22, 978065), (55, 391226), (110, 195613), (121, 177830), (242, 88915), (605, 35566), (1210, 17783)]