21989926

素因数分解:

$2^1\times 7^2\times {\mathrm{457}}^1\times {\mathrm{491}}^1$

素因数の和:964

約数の個数: 24

約数和(自身を含む): 38532456

約数和(自身を除く): 16542530

約数列:

[1, 2, 7, 14, 49, 98, 457, 491, 914, 982, 3199, 3437, 6398, 6874, 22393, 24059, 44786, 48118, 224387, 448774, 1570709, 3141418, 10994963, 21989926]

約数ペア:

[(1, 21989926), (2, 10994963), (7, 3141418), (14, 1570709), (49, 448774), (98, 224387), (457, 48118), (491, 44786), (914, 24059), (982, 22393), (3199, 6874), (3437, 6398)]