21388892002

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1\times {\mathrm{18181}}^1$

素因数の和:18658

約数の個数: 32

約数和(自身を含む): 34272342720

約数和(自身を除く): 12883450718

約数列:

[1, 2, 19, 38, 83, 166, 373, 746, 1577, 3154, 7087, 14174, 18181, 30959, 36362, 61918, 345439, 588221, 690878, 1176442, 1509023, 3018046, 6781513, 13563026, 28671437, 57342874, 128848747, 257697494, 562865579, 1125731158, 10694446001, 21388892002]

約数ペア:

[(1, 21388892002), (2, 10694446001), (19, 1125731158), (38, 562865579), (83, 257697494), (166, 128848747), (373, 57342874), (746, 28671437), (1577, 13563026), (3154, 6781513), (7087, 3018046), (14174, 1509023), (18181, 1176442), (30959, 690878), (36362, 588221), (61918, 345439)]