21573162

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 52416000

約数和(自身を除く): 30842838

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 79, 117, 158, 234, 237, 351, 389, 474, 702, 711, 778, 1027, 1167, 1422, 2054, 2133, 2334, 3081, 3501, 4266, 5057, 6162, 7002, 9243, 10114, 10503, 15171, 18486, 21006, 27729, 30342, 30731, 45513, 55458, 61462, 91026, 92193, 136539, 184386, 273078, 276579, 399503, 553158, 799006, 829737, 1198509, 1659474, 2397018, 3595527, 7191054, 10786581, 21573162]

約数ペア:

[(1, 21573162), (2, 10786581), (3, 7191054), (6, 3595527), (9, 2397018), (13, 1659474), (18, 1198509), (26, 829737), (27, 799006), (39, 553158), (54, 399503), (78, 276579), (79, 273078), (117, 184386), (158, 136539), (234, 92193), (237, 91026), (351, 61462), (389, 55458), (474, 45513), (702, 30731), (711, 30342), (778, 27729), (1027, 21006), (1167, 18486), (1422, 15171), (2054, 10503), (2133, 10114), (2334, 9243), (3081, 7002), (3501, 6162), (4266, 5057)]