21854312

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{66629}}^1$

素因数の和:66676

約数の個数: 16

約数和(自身を含む): 41976900

約数和(自身を除く): 20122588

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 66629, 133258, 266516, 533032, 2731789, 5463578, 10927156, 21854312]

約数ペア:

[(1, 21854312), (2, 10927156), (4, 5463578), (8, 2731789), (41, 533032), (82, 266516), (164, 133258), (328, 66629)]