21409148

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{467}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 38302992

約数和(自身を除く): 16893844

約数列:

[1, 2, 4, 73, 146, 157, 292, 314, 467, 628, 934, 1868, 11461, 22922, 34091, 45844, 68182, 73319, 136364, 146638, 293276, 5352287, 10704574, 21409148]

約数ペア:

[(1, 21409148), (2, 10704574), (4, 5352287), (73, 293276), (146, 146638), (157, 136364), (292, 73319), (314, 68182), (467, 45844), (628, 34091), (934, 22922), (1868, 11461)]