21986822

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1303}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 39432960

約数和(自身を除く): 17446138

約数列:

[1, 2, 11, 13, 22, 26, 59, 118, 143, 286, 649, 767, 1298, 1303, 1534, 2606, 8437, 14333, 16874, 16939, 28666, 33878, 76877, 153754, 186329, 372658, 845647, 999401, 1691294, 1998802, 10993411, 21986822]

約数ペア:

[(1, 21986822), (2, 10993411), (11, 1998802), (13, 1691294), (22, 999401), (26, 845647), (59, 372658), (118, 186329), (143, 153754), (286, 76877), (649, 33878), (767, 28666), (1298, 16939), (1303, 16874), (1534, 14333), (2606, 8437)]