21261108

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 58060800

約数和(自身を除く): 36799692

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 47, 66, 69, 92, 94, 132, 138, 141, 149, 188, 253, 276, 282, 298, 447, 506, 517, 564, 596, 759, 894, 1012, 1034, 1081, 1518, 1551, 1639, 1788, 2068, 2162, 3036, 3102, 3243, 3278, 3427, 4324, 4917, 6204, 6486, 6556, 6854, 7003, 9834, 10281, 11891, 12972, 13708, 14006, 19668, 20562, 21009, 23782, 28012, 35673, 37697, 41124, 42018, 47564, 71346, 75394, 77033, 84036, 113091, 142692, 150788, 154066, 161069, 226182, 231099, 308132, 322138, 452364, 462198, 483207, 644276, 924396, 966414, 1771759, 1932828, 3543518, 5315277, 7087036, 10630554, 21261108]

約数ペア:

[(1, 21261108), (2, 10630554), (3, 7087036), (4, 5315277), (6, 3543518), (11, 1932828), (12, 1771759), (22, 966414), (23, 924396), (33, 644276), (44, 483207), (46, 462198), (47, 452364), (66, 322138), (69, 308132), (92, 231099), (94, 226182), (132, 161069), (138, 154066), (141, 150788), (149, 142692), (188, 113091), (253, 84036), (276, 77033), (282, 75394), (298, 71346), (447, 47564), (506, 42018), (517, 41124), (564, 37697), (596, 35673), (759, 28012), (894, 23782), (1012, 21009), (1034, 20562), (1081, 19668), (1518, 14006), (1551, 13708), (1639, 12972), (1788, 11891), (2068, 10281), (2162, 9834), (3036, 7003), (3102, 6854), (3243, 6556), (3278, 6486), (3427, 6204), (4324, 4917)]