21641172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4861}}^1$

素因数の和:4928

約数の個数: 48

約数和(自身を含む): 58810752

約数和(自身を除く): 37169580

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4452, 4861, 9722, 14583, 19444, 29166, 34027, 58332, 68054, 102081, 136108, 204162, 257633, 408324, 515266, 772899, 1030532, 1545798, 1803431, 3091596, 3606862, 5410293, 7213724, 10820586, 21641172]

約数ペア:

[(1, 21641172), (2, 10820586), (3, 7213724), (4, 5410293), (6, 3606862), (7, 3091596), (12, 1803431), (14, 1545798), (21, 1030532), (28, 772899), (42, 515266), (53, 408324), (84, 257633), (106, 204162), (159, 136108), (212, 102081), (318, 68054), (371, 58332), (636, 34027), (742, 29166), (1113, 19444), (1484, 14583), (2226, 9722), (4452, 4861)]