21964816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3511}}^1$

素因数の和:3559

約数の個数: 40

約数和(自身を含む): 47032704

約数和(自身を除く): 25067888

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 3128, 3511, 6256, 7022, 14044, 28088, 56176, 59687, 80753, 119374, 161506, 238748, 323012, 477496, 646024, 954992, 1292048, 1372801, 2745602, 5491204, 10982408, 21964816]

約数ペア:

[(1, 21964816), (2, 10982408), (4, 5491204), (8, 2745602), (16, 1372801), (17, 1292048), (23, 954992), (34, 646024), (46, 477496), (68, 323012), (92, 238748), (136, 161506), (184, 119374), (272, 80753), (368, 59687), (391, 56176), (782, 28088), (1564, 14044), (3128, 7022), (3511, 6256)]