21595275

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 44997120

約数和(自身を除く): 23401845

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 27, 39, 45, 65, 69, 75, 107, 115, 117, 135, 195, 207, 225, 299, 321, 325, 345, 351, 535, 575, 585, 621, 675, 897, 963, 975, 1035, 1391, 1495, 1605, 1725, 1755, 2461, 2675, 2691, 2889, 2925, 3105, 4173, 4485, 4815, 5175, 6955, 7383, 7475, 8025, 8073, 8775, 12305, 12519, 13455, 14445, 15525, 20865, 22149, 22425, 24075, 31993, 34775, 36915, 37557, 40365, 61525, 62595, 66447, 67275, 72225, 95979, 104325, 110745, 159965, 184575, 187785, 201825, 287937, 312975, 332235, 479895, 553725, 799825, 863811, 938925, 1439685, 1661175, 2399475, 4319055, 7198425, 21595275]

約数ペア:

[(1, 21595275), (3, 7198425), (5, 4319055), (9, 2399475), (13, 1661175), (15, 1439685), (23, 938925), (25, 863811), (27, 799825), (39, 553725), (45, 479895), (65, 332235), (69, 312975), (75, 287937), (107, 201825), (115, 187785), (117, 184575), (135, 159965), (195, 110745), (207, 104325), (225, 95979), (299, 72225), (321, 67275), (325, 66447), (345, 62595), (351, 61525), (535, 40365), (575, 37557), (585, 36915), (621, 34775), (675, 31993), (897, 24075), (963, 22425), (975, 22149), (1035, 20865), (1391, 15525), (1495, 14445), (1605, 13455), (1725, 12519), (1755, 12305), (2461, 8775), (2675, 8073), (2691, 8025), (2889, 7475), (2925, 7383), (3105, 6955), (4173, 5175), (4485, 4815)]