21095526178

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{12781}}^1$

素因数の和:13090

約数の個数: 32

約数和(自身を含む): 32751778752

約数和(自身を除く): 11656252574

約数列:

[1, 2, 61, 83, 122, 163, 166, 326, 5063, 9943, 10126, 12781, 13529, 19886, 25562, 27058, 779641, 825269, 1060823, 1559282, 1650538, 2083303, 2121646, 4166606, 64710203, 127081483, 129420406, 172914149, 254162966, 345828298, 10547763089, 21095526178]

約数ペア:

[(1, 21095526178), (2, 10547763089), (61, 345828298), (83, 254162966), (122, 172914149), (163, 129420406), (166, 127081483), (326, 64710203), (5063, 4166606), (9943, 2121646), (10126, 2083303), (12781, 1650538), (13529, 1559282), (19886, 1060823), (25562, 825269), (27058, 779641)]