21426301064

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{158563}}^1$

素因数の和:158722

約数の個数: 64

約数和(自身を含む): 48710860800

約数和(自身を除く): 27284559736

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 127, 133, 152, 254, 266, 508, 532, 889, 1016, 1064, 1778, 2413, 3556, 4826, 7112, 9652, 16891, 19304, 33782, 67564, 135128, 158563, 317126, 634252, 1109941, 1268504, 2219882, 3012697, 4439764, 6025394, 8879528, 12050788, 20137501, 21088879, 24101576, 40275002, 42177758, 80550004, 84355516, 140962507, 161100008, 168711032, 281925014, 382612519, 563850028, 765225038, 1127700056, 1530450076, 2678287633, 3060900152, 5356575266, 10713150532, 21426301064]

約数ペア:

[(1, 21426301064), (2, 10713150532), (4, 5356575266), (7, 3060900152), (8, 2678287633), (14, 1530450076), (19, 1127700056), (28, 765225038), (38, 563850028), (56, 382612519), (76, 281925014), (127, 168711032), (133, 161100008), (152, 140962507), (254, 84355516), (266, 80550004), (508, 42177758), (532, 40275002), (889, 24101576), (1016, 21088879), (1064, 20137501), (1778, 12050788), (2413, 8879528), (3556, 6025394), (4826, 4439764), (7112, 3012697), (9652, 2219882), (16891, 1268504), (19304, 1109941), (33782, 634252), (67564, 317126), (135128, 158563)]