21392016

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{6277}}^1$

素因数の和:6359

約数の個数: 40

約数和(自身を含む): 56049984

約数和(自身を除く): 34657968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 568, 852, 1136, 1704, 3408, 6277, 12554, 18831, 25108, 37662, 50216, 75324, 100432, 150648, 301296, 445667, 891334, 1337001, 1782668, 2674002, 3565336, 5348004, 7130672, 10696008, 21392016]

約数ペア:

[(1, 21392016), (2, 10696008), (3, 7130672), (4, 5348004), (6, 3565336), (8, 2674002), (12, 1782668), (16, 1337001), (24, 891334), (48, 445667), (71, 301296), (142, 150648), (213, 100432), (284, 75324), (426, 50216), (568, 37662), (852, 25108), (1136, 18831), (1704, 12554), (3408, 6277)]