21403158

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26821}}^1$

素因数の和:26852

約数の個数: 32

約数和(自身を含む): 51498240

約数和(自身を除く): 30095082

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26821, 53642, 80463, 160926, 187747, 375494, 509599, 563241, 1019198, 1126482, 1528797, 3057594, 3567193, 7134386, 10701579, 21403158]

約数ペア:

[(1, 21403158), (2, 10701579), (3, 7134386), (6, 3567193), (7, 3057594), (14, 1528797), (19, 1126482), (21, 1019198), (38, 563241), (42, 509599), (57, 375494), (114, 187747), (133, 160926), (266, 80463), (399, 53642), (798, 26821)]