21923454

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 53544960

約数和(自身を除く): 31621506

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 83, 114, 133, 166, 249, 266, 331, 399, 498, 581, 662, 798, 993, 1162, 1577, 1743, 1986, 2317, 3154, 3486, 4634, 4731, 6289, 6951, 9462, 11039, 12578, 13902, 18867, 22078, 27473, 33117, 37734, 44023, 54946, 66234, 82419, 88046, 132069, 164838, 192311, 264138, 384622, 521987, 576933, 1043974, 1153866, 1565961, 3131922, 3653909, 7307818, 10961727, 21923454]

約数ペア:

[(1, 21923454), (2, 10961727), (3, 7307818), (6, 3653909), (7, 3131922), (14, 1565961), (19, 1153866), (21, 1043974), (38, 576933), (42, 521987), (57, 384622), (83, 264138), (114, 192311), (133, 164838), (166, 132069), (249, 88046), (266, 82419), (331, 66234), (399, 54946), (498, 44023), (581, 37734), (662, 33117), (798, 27473), (993, 22078), (1162, 18867), (1577, 13902), (1743, 12578), (1986, 11039), (2317, 9462), (3154, 6951), (3486, 6289), (4634, 4731)]