21537972

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4567}}^1$

素因数の和:4708

約数の個数: 36

約数和(自身を含む): 54870816

約数和(自身を除く): 33332844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4567, 4716, 9134, 13701, 18268, 27402, 41103, 54804, 82206, 164412, 598277, 1196554, 1794831, 2393108, 3589662, 5384493, 7179324, 10768986, 21537972]

約数ペア:

[(1, 21537972), (2, 10768986), (3, 7179324), (4, 5384493), (6, 3589662), (9, 2393108), (12, 1794831), (18, 1196554), (36, 598277), (131, 164412), (262, 82206), (393, 54804), (524, 41103), (786, 27402), (1179, 18268), (1572, 13701), (2358, 9134), (4567, 4716)]