21552916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 51609600

約数和(自身を除く): 30056684

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 29, 38, 44, 58, 76, 77, 116, 127, 133, 154, 203, 209, 254, 266, 308, 319, 406, 418, 508, 532, 551, 638, 812, 836, 889, 1102, 1276, 1397, 1463, 1778, 2204, 2233, 2413, 2794, 2926, 3556, 3683, 3857, 4466, 4826, 5588, 5852, 6061, 7366, 7714, 8932, 9652, 9779, 12122, 14732, 15428, 16891, 19558, 24244, 25781, 26543, 33782, 39116, 40513, 42427, 51562, 53086, 67564, 69977, 81026, 84854, 103124, 106172, 139954, 162052, 169708, 185801, 279908, 283591, 371602, 489839, 567182, 743204, 769747, 979678, 1134364, 1539494, 1959356, 3078988, 5388229, 10776458, 21552916]

約数ペア:

[(1, 21552916), (2, 10776458), (4, 5388229), (7, 3078988), (11, 1959356), (14, 1539494), (19, 1134364), (22, 979678), (28, 769747), (29, 743204), (38, 567182), (44, 489839), (58, 371602), (76, 283591), (77, 279908), (116, 185801), (127, 169708), (133, 162052), (154, 139954), (203, 106172), (209, 103124), (254, 84854), (266, 81026), (308, 69977), (319, 67564), (406, 53086), (418, 51562), (508, 42427), (532, 40513), (551, 39116), (638, 33782), (812, 26543), (836, 25781), (889, 24244), (1102, 19558), (1276, 16891), (1397, 15428), (1463, 14732), (1778, 12122), (2204, 9779), (2233, 9652), (2413, 8932), (2794, 7714), (2926, 7366), (3556, 6061), (3683, 5852), (3857, 5588), (4466, 4826)]