21619036

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{577}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 43696800

約数和(自身を除く): 22077764

約数列:

[1, 2, 4, 17, 19, 29, 34, 38, 58, 68, 76, 116, 323, 493, 551, 577, 646, 986, 1102, 1154, 1292, 1972, 2204, 2308, 9367, 9809, 10963, 16733, 18734, 19618, 21926, 33466, 37468, 39236, 43852, 66932, 186371, 284461, 317927, 372742, 568922, 635854, 745484, 1137844, 1271708, 5404759, 10809518, 21619036]

約数ペア:

[(1, 21619036), (2, 10809518), (4, 5404759), (17, 1271708), (19, 1137844), (29, 745484), (34, 635854), (38, 568922), (58, 372742), (68, 317927), (76, 284461), (116, 186371), (323, 66932), (493, 43852), (551, 39236), (577, 37468), (646, 33466), (986, 21926), (1102, 19618), (1154, 18734), (1292, 16733), (1972, 10963), (2204, 9809), (2308, 9367)]