21890043472

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7316191}}^1$

素因数の和:7316227

約数の個数: 40

約数和(自身を含む): 48989221632

約数和(自身を除く): 27099178160

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 7316191, 14632382, 29264764, 58529528, 80478101, 117059056, 124375247, 160956202, 248750494, 321912404, 497500988, 643824808, 995001976, 1287649616, 1368127717, 1990003952, 2736255434, 5472510868, 10945021736, 21890043472]

約数ペア:

[(1, 21890043472), (2, 10945021736), (4, 5472510868), (8, 2736255434), (11, 1990003952), (16, 1368127717), (17, 1287649616), (22, 995001976), (34, 643824808), (44, 497500988), (68, 321912404), (88, 248750494), (136, 160956202), (176, 124375247), (187, 117059056), (272, 80478101), (374, 58529528), (748, 29264764), (1496, 14632382), (2992, 7316191)]