21779422

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 40186368

約数和(自身を除く): 18406946

約数列:

[1, 2, 7, 14, 31, 49, 62, 67, 98, 107, 134, 214, 217, 434, 469, 749, 938, 1498, 1519, 2077, 3038, 3283, 3317, 4154, 5243, 6566, 6634, 7169, 10486, 14338, 14539, 23219, 29078, 46438, 50183, 100366, 101773, 162533, 203546, 222239, 325066, 351281, 444478, 702562, 1555673, 3111346, 10889711, 21779422]

約数ペア:

[(1, 21779422), (2, 10889711), (7, 3111346), (14, 1555673), (31, 702562), (49, 444478), (62, 351281), (67, 325066), (98, 222239), (107, 203546), (134, 162533), (214, 101773), (217, 100366), (434, 50183), (469, 46438), (749, 29078), (938, 23219), (1498, 14539), (1519, 14338), (2077, 10486), (3038, 7169), (3283, 6634), (3317, 6566), (4154, 5243)]