21371806940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{20551}}^1$

素因数の和:20763

約数の個数: 96

約数和(自身を含む): 50962383360

約数和(自身を除く): 29590576420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 163, 220, 290, 319, 326, 580, 638, 652, 815, 1276, 1595, 1630, 1793, 3190, 3260, 3586, 4727, 6380, 7172, 8965, 9454, 17930, 18908, 20551, 23635, 35860, 41102, 47270, 51997, 82204, 94540, 102755, 103994, 205510, 207988, 226061, 259985, 411020, 452122, 519970, 595979, 904244, 1039940, 1130305, 1191958, 2260610, 2383916, 2979895, 3349813, 4521220, 5959790, 6555769, 6699626, 11919580, 13111538, 13399252, 16749065, 26223076, 32778845, 33498130, 36847943, 65557690, 66996260, 73695886, 97144577, 131115380, 147391772, 184239715, 194289154, 368479430, 388578308, 485722885, 736958860, 971445770, 1068590347, 1942891540, 2137180694, 4274361388, 5342951735, 10685903470, 21371806940]

約数ペア:

[(1, 21371806940), (2, 10685903470), (4, 5342951735), (5, 4274361388), (10, 2137180694), (11, 1942891540), (20, 1068590347), (22, 971445770), (29, 736958860), (44, 485722885), (55, 388578308), (58, 368479430), (110, 194289154), (116, 184239715), (145, 147391772), (163, 131115380), (220, 97144577), (290, 73695886), (319, 66996260), (326, 65557690), (580, 36847943), (638, 33498130), (652, 32778845), (815, 26223076), (1276, 16749065), (1595, 13399252), (1630, 13111538), (1793, 11919580), (3190, 6699626), (3260, 6555769), (3586, 5959790), (4727, 4521220), (6380, 3349813), (7172, 2979895), (8965, 2383916), (9454, 2260610), (17930, 1191958), (18908, 1130305), (20551, 1039940), (23635, 904244), (35860, 595979), (41102, 519970), (47270, 452122), (51997, 411020), (82204, 259985), (94540, 226061), (102755, 207988), (103994, 205510)]