21021396

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2243}}^1$

素因数の和:2332

約数の個数: 48

約数和(自身を含む): 54286848

約数和(自身を除く): 33265452

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 71, 132, 142, 213, 284, 426, 781, 852, 1562, 2243, 2343, 3124, 4486, 4686, 6729, 8972, 9372, 13458, 24673, 26916, 49346, 74019, 98692, 148038, 159253, 296076, 318506, 477759, 637012, 955518, 1751783, 1911036, 3503566, 5255349, 7007132, 10510698, 21021396]

約数ペア:

[(1, 21021396), (2, 10510698), (3, 7007132), (4, 5255349), (6, 3503566), (11, 1911036), (12, 1751783), (22, 955518), (33, 637012), (44, 477759), (66, 318506), (71, 296076), (132, 159253), (142, 148038), (213, 98692), (284, 74019), (426, 49346), (781, 26916), (852, 24673), (1562, 13458), (2243, 9372), (2343, 8972), (3124, 6729), (4486, 4686)]