21102224

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 50246784

約数和(自身を除く): 29144560

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 23, 26, 44, 46, 52, 88, 92, 104, 143, 176, 184, 208, 253, 286, 299, 368, 401, 506, 572, 598, 802, 1012, 1144, 1196, 1604, 2024, 2288, 2392, 3208, 3289, 4048, 4411, 4784, 5213, 6416, 6578, 8822, 9223, 10426, 13156, 17644, 18446, 20852, 26312, 35288, 36892, 41704, 52624, 57343, 70576, 73784, 83408, 101453, 114686, 119899, 147568, 202906, 229372, 239798, 405812, 458744, 479596, 811624, 917488, 959192, 1318889, 1623248, 1918384, 2637778, 5275556, 10551112, 21102224]

約数ペア:

[(1, 21102224), (2, 10551112), (4, 5275556), (8, 2637778), (11, 1918384), (13, 1623248), (16, 1318889), (22, 959192), (23, 917488), (26, 811624), (44, 479596), (46, 458744), (52, 405812), (88, 239798), (92, 229372), (104, 202906), (143, 147568), (176, 119899), (184, 114686), (208, 101453), (253, 83408), (286, 73784), (299, 70576), (368, 57343), (401, 52624), (506, 41704), (572, 36892), (598, 35288), (802, 26312), (1012, 20852), (1144, 18446), (1196, 17644), (1604, 13156), (2024, 10426), (2288, 9223), (2392, 8822), (3208, 6578), (3289, 6416), (4048, 5213), (4411, 4784)]