21082072

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{751}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 45007200

約数和(自身を除く): 23925128

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 121, 232, 242, 319, 484, 638, 751, 968, 1276, 1502, 2552, 3004, 3509, 6008, 7018, 8261, 14036, 16522, 21779, 28072, 33044, 43558, 66088, 87116, 90871, 174232, 181742, 239569, 363484, 479138, 726968, 958276, 1916552, 2635259, 5270518, 10541036, 21082072]

約数ペア:

[(1, 21082072), (2, 10541036), (4, 5270518), (8, 2635259), (11, 1916552), (22, 958276), (29, 726968), (44, 479138), (58, 363484), (88, 239569), (116, 181742), (121, 174232), (232, 90871), (242, 87116), (319, 66088), (484, 43558), (638, 33044), (751, 28072), (968, 21779), (1276, 16522), (1502, 14036), (2552, 8261), (3004, 7018), (3509, 6008)]