21813582

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{519371}}^1$

素因数の和:519383

約数の個数: 16

約数和(自身を含む): 49859712

約数和(自身を除く): 28046130

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 519371, 1038742, 1558113, 3116226, 3635597, 7271194, 10906791, 21813582]

約数ペア:

[(1, 21813582), (2, 10906791), (3, 7271194), (6, 3635597), (7, 3116226), (14, 1558113), (21, 1038742), (42, 519371)]