21857838

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{88853}}^1$

素因数の和:88899

約数の個数: 16

約数和(自身を含む): 44782416

約数和(自身を除く): 22924578

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 88853, 177706, 266559, 533118, 3642973, 7285946, 10928919, 21857838]

約数ペア:

[(1, 21857838), (2, 10928919), (3, 7285946), (6, 3642973), (41, 533118), (82, 266559), (123, 177706), (246, 88853)]