21403956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13411}}^1$

素因数の和:13444

約数の個数: 48

約数和(自身を含む): 60085760

約数和(自身を除く): 38681804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 13411, 26822, 40233, 53644, 80466, 93877, 160932, 187754, 254809, 281631, 375508, 509618, 563262, 764427, 1019236, 1126524, 1528854, 1783663, 3057708, 3567326, 5350989, 7134652, 10701978, 21403956]

約数ペア:

[(1, 21403956), (2, 10701978), (3, 7134652), (4, 5350989), (6, 3567326), (7, 3057708), (12, 1783663), (14, 1528854), (19, 1126524), (21, 1019236), (28, 764427), (38, 563262), (42, 509618), (57, 375508), (76, 281631), (84, 254809), (114, 187754), (133, 160932), (228, 93877), (266, 80466), (399, 53644), (532, 40233), (798, 26822), (1596, 13411)]