21862578

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 50544000

約数和(自身を除く): 28681422

約数列:

[1, 2, 3, 6, 17, 19, 29, 34, 38, 51, 57, 58, 87, 102, 114, 174, 323, 389, 493, 551, 646, 778, 969, 986, 1102, 1167, 1479, 1653, 1938, 2334, 2958, 3306, 6613, 7391, 9367, 11281, 13226, 14782, 18734, 19839, 22173, 22562, 28101, 33843, 39678, 44346, 56202, 67686, 125647, 191777, 214339, 251294, 376941, 383554, 428678, 575331, 643017, 753882, 1150662, 1286034, 3643763, 7287526, 10931289, 21862578]

約数ペア:

[(1, 21862578), (2, 10931289), (3, 7287526), (6, 3643763), (17, 1286034), (19, 1150662), (29, 753882), (34, 643017), (38, 575331), (51, 428678), (57, 383554), (58, 376941), (87, 251294), (102, 214339), (114, 191777), (174, 125647), (323, 67686), (389, 56202), (493, 44346), (551, 39678), (646, 33843), (778, 28101), (969, 22562), (986, 22173), (1102, 19839), (1167, 18734), (1479, 14782), (1653, 13226), (1938, 11281), (2334, 9367), (2958, 7391), (3306, 6613)]