21033624

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1720

約数の個数: 64

約数和(自身を含む): 57507840

約数和(自身を除く): 36474216

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 31, 34, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 372, 408, 527, 744, 1054, 1581, 1663, 2108, 3162, 3326, 4216, 4989, 6324, 6652, 9978, 12648, 13304, 19956, 28271, 39912, 51553, 56542, 84813, 103106, 113084, 154659, 169626, 206212, 226168, 309318, 339252, 412424, 618636, 678504, 876401, 1237272, 1752802, 2629203, 3505604, 5258406, 7011208, 10516812, 21033624]

約数ペア:

[(1, 21033624), (2, 10516812), (3, 7011208), (4, 5258406), (6, 3505604), (8, 2629203), (12, 1752802), (17, 1237272), (24, 876401), (31, 678504), (34, 618636), (51, 412424), (62, 339252), (68, 309318), (93, 226168), (102, 206212), (124, 169626), (136, 154659), (186, 113084), (204, 103106), (248, 84813), (372, 56542), (408, 51553), (527, 39912), (744, 28271), (1054, 19956), (1581, 13304), (1663, 12648), (2108, 9978), (3162, 6652), (3326, 6324), (4216, 4989)]