21120352

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2069}}^1$

素因数の和:2119

約数の個数: 48

約数和(自身を含む): 46947600

約数和(自身を除く): 25827248

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 88, 116, 176, 232, 319, 352, 464, 638, 928, 1276, 2069, 2552, 4138, 5104, 8276, 10208, 16552, 22759, 33104, 45518, 60001, 66208, 91036, 120002, 182072, 240004, 364144, 480008, 660011, 728288, 960016, 1320022, 1920032, 2640044, 5280088, 10560176, 21120352]

約数ペア:

[(1, 21120352), (2, 10560176), (4, 5280088), (8, 2640044), (11, 1920032), (16, 1320022), (22, 960016), (29, 728288), (32, 660011), (44, 480008), (58, 364144), (88, 240004), (116, 182072), (176, 120002), (232, 91036), (319, 66208), (352, 60001), (464, 45518), (638, 33104), (928, 22759), (1276, 16552), (2069, 10208), (2552, 8276), (4138, 5104)]