21051888

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3067}}^1$

素因数の和:3102

約数の個数: 80

約数和(自身を含む): 63912576

約数和(自身を除く): 42860688

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 78, 88, 104, 132, 143, 156, 176, 208, 264, 286, 312, 429, 528, 572, 624, 858, 1144, 1716, 2288, 3067, 3432, 6134, 6864, 9201, 12268, 18402, 24536, 33737, 36804, 39871, 49072, 67474, 73608, 79742, 101211, 119613, 134948, 147216, 159484, 202422, 239226, 269896, 318968, 404844, 438581, 478452, 539792, 637936, 809688, 877162, 956904, 1315743, 1619376, 1754324, 1913808, 2631486, 3508648, 5262972, 7017296, 10525944, 21051888]

約数ペア:

[(1, 21051888), (2, 10525944), (3, 7017296), (4, 5262972), (6, 3508648), (8, 2631486), (11, 1913808), (12, 1754324), (13, 1619376), (16, 1315743), (22, 956904), (24, 877162), (26, 809688), (33, 637936), (39, 539792), (44, 478452), (48, 438581), (52, 404844), (66, 318968), (78, 269896), (88, 239226), (104, 202422), (132, 159484), (143, 147216), (156, 134948), (176, 119613), (208, 101211), (264, 79742), (286, 73608), (312, 67474), (429, 49072), (528, 39871), (572, 36804), (624, 33737), (858, 24536), (1144, 18402), (1716, 12268), (2288, 9201), (3067, 6864), (3432, 6134)]