21723643732

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1381}}^1\times {\mathrm{4721}}^1$

素因数の和:6137

約数の個数: 72

約数和(自身を含む): 46868324328

約数和(自身を除く): 25144680596

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1381, 1666, 2762, 3332, 4721, 5524, 9442, 9667, 18884, 19334, 23477, 33047, 38668, 46954, 66094, 67669, 80257, 93908, 132188, 135338, 160514, 164339, 231329, 270676, 321028, 328678, 462658, 561799, 657356, 925316, 1123598, 1150373, 2247196, 2300746, 3932593, 4601492, 6519701, 7865186, 13039402, 15730372, 26078804, 45637907, 91275814, 110834917, 182551628, 221669834, 319465349, 443339668, 638930698, 775844419, 1277861396, 1551688838, 3103377676, 5430910933, 10861821866, 21723643732]

約数ペア:

[(1, 21723643732), (2, 10861821866), (4, 5430910933), (7, 3103377676), (14, 1551688838), (17, 1277861396), (28, 775844419), (34, 638930698), (49, 443339668), (68, 319465349), (98, 221669834), (119, 182551628), (196, 110834917), (238, 91275814), (476, 45637907), (833, 26078804), (1381, 15730372), (1666, 13039402), (2762, 7865186), (3332, 6519701), (4721, 4601492), (5524, 3932593), (9442, 2300746), (9667, 2247196), (18884, 1150373), (19334, 1123598), (23477, 925316), (33047, 657356), (38668, 561799), (46954, 462658), (66094, 328678), (67669, 321028), (80257, 270676), (93908, 231329), (132188, 164339), (135338, 160514)]