2021522804

素因数分解:

$2^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{180043}}^1$

素因数の和:180455

約数の個数: 24

約数和(自身を含む): 4053150528

約数和(自身を除く): 2031627724

約数列:

[1, 2, 4, 7, 14, 28, 401, 802, 1604, 2807, 5614, 11228, 180043, 360086, 720172, 1260301, 2520602, 5041204, 72197243, 144394486, 288788972, 505380701, 1010761402, 2021522804]

約数ペア:

[(1, 2021522804), (2, 1010761402), (4, 505380701), (7, 288788972), (14, 144394486), (28, 72197243), (401, 5041204), (802, 2520602), (1604, 1260301), (2807, 720172), (5614, 360086), (11228, 180043)]