21825110

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 45489600

約数和(自身を除く): 23664490

約数列:

[1, 2, 5, 10, 17, 19, 29, 34, 38, 58, 85, 95, 145, 170, 190, 233, 290, 323, 466, 493, 551, 646, 986, 1102, 1165, 1615, 2330, 2465, 2755, 3230, 3961, 4427, 4930, 5510, 6757, 7922, 8854, 9367, 13514, 18734, 19805, 22135, 33785, 39610, 44270, 46835, 67570, 75259, 93670, 114869, 128383, 150518, 229738, 256766, 376295, 574345, 641915, 752590, 1148690, 1283830, 2182511, 4365022, 10912555, 21825110]

約数ペア:

[(1, 21825110), (2, 10912555), (5, 4365022), (10, 2182511), (17, 1283830), (19, 1148690), (29, 752590), (34, 641915), (38, 574345), (58, 376295), (85, 256766), (95, 229738), (145, 150518), (170, 128383), (190, 114869), (233, 93670), (290, 75259), (323, 67570), (466, 46835), (493, 44270), (551, 39610), (646, 33785), (986, 22135), (1102, 19805), (1165, 18734), (1615, 13514), (2330, 9367), (2465, 8854), (2755, 7922), (3230, 6757), (3961, 5510), (4427, 4930)]