21301592

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{857}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 21941608

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 239, 478, 857, 956, 1714, 1912, 3107, 3428, 6214, 6856, 11141, 12428, 22282, 24856, 44564, 89128, 204823, 409646, 819292, 1638584, 2662699, 5325398, 10650796, 21301592]

約数ペア:

[(1, 21301592), (2, 10650796), (4, 5325398), (8, 2662699), (13, 1638584), (26, 819292), (52, 409646), (104, 204823), (239, 89128), (478, 44564), (857, 24856), (956, 22282), (1714, 12428), (1912, 11141), (3107, 6856), (3428, 6214)]