21413307986

素因数分解:

$2^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1063}}^1\times {\mathrm{5471}}^1$

素因数の和:6806

約数の個数: 32

約数和(自身を含む): 36889509888

約数和(自身を除く): 15476201902

約数列:

[1, 2, 7, 14, 263, 526, 1063, 1841, 2126, 3682, 5471, 7441, 10942, 14882, 38297, 76594, 279569, 559138, 1438873, 1956983, 2877746, 3913966, 5815673, 10072111, 11631346, 20144222, 40709711, 81419422, 1529521999, 3059043998, 10706653993, 21413307986]

約数ペア:

[(1, 21413307986), (2, 10706653993), (7, 3059043998), (14, 1529521999), (263, 81419422), (526, 40709711), (1063, 20144222), (1841, 11631346), (2126, 10072111), (3682, 5815673), (5471, 3913966), (7441, 2877746), (10942, 1956983), (14882, 1438873), (38297, 559138), (76594, 279569)]