21051396

素因数分解:

$2^2\times 3^2\times {\mathrm{281}}^1\times {\mathrm{2081}}^1$

素因数の和:2372

約数の個数: 36

約数和(自身を含む): 53428284

約数和(自身を除く): 32376888

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 281, 562, 843, 1124, 1686, 2081, 2529, 3372, 4162, 5058, 6243, 8324, 10116, 12486, 18729, 24972, 37458, 74916, 584761, 1169522, 1754283, 2339044, 3508566, 5262849, 7017132, 10525698, 21051396]

約数ペア:

[(1, 21051396), (2, 10525698), (3, 7017132), (4, 5262849), (6, 3508566), (9, 2339044), (12, 1754283), (18, 1169522), (36, 584761), (281, 74916), (562, 37458), (843, 24972), (1124, 18729), (1686, 12486), (2081, 10116), (2529, 8324), (3372, 6243), (4162, 5058)]