21119412

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 52236800

約数和(自身を除く): 31117388

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 211, 228, 422, 439, 633, 844, 878, 1266, 1317, 1756, 2532, 2634, 4009, 5268, 8018, 8341, 12027, 16036, 16682, 24054, 25023, 33364, 48108, 50046, 92629, 100092, 185258, 277887, 370516, 555774, 1111548, 1759951, 3519902, 5279853, 7039804, 10559706, 21119412]

約数ペア:

[(1, 21119412), (2, 10559706), (3, 7039804), (4, 5279853), (6, 3519902), (12, 1759951), (19, 1111548), (38, 555774), (57, 370516), (76, 277887), (114, 185258), (211, 100092), (228, 92629), (422, 50046), (439, 48108), (633, 33364), (844, 25023), (878, 24054), (1266, 16682), (1317, 16036), (1756, 12027), (2532, 8341), (2634, 8018), (4009, 5268)]