21507042

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{87427}}^1$

素因数の和:87473

約数の個数: 16

約数和(自身を含む): 44063712

約数和(自身を除く): 22556670

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 87427, 174854, 262281, 524562, 3584507, 7169014, 10753521, 21507042]

約数ペア:

[(1, 21507042), (2, 10753521), (3, 7169014), (6, 3584507), (41, 524562), (82, 262281), (123, 174854), (246, 87427)]