21067030

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51383}}^1$

素因数の和:51431

約数の個数: 16

約数和(自身を含む): 38846304

約数和(自身を除く): 17779274

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 51383, 102766, 256915, 513830, 2106703, 4213406, 10533515, 21067030]

約数ペア:

[(1, 21067030), (2, 10533515), (5, 4213406), (10, 2106703), (41, 513830), (82, 256915), (205, 102766), (410, 51383)]