21483930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1777}}^1$

素因数の和:1831

約数の個数: 64

約数和(自身を含む): 57351168

約数和(自身を除く): 35867238

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 1777, 2015, 2418, 3554, 4030, 5331, 6045, 8885, 10662, 12090, 17770, 23101, 26655, 46202, 53310, 55087, 69303, 110174, 115505, 138606, 165261, 231010, 275435, 330522, 346515, 550870, 693030, 716131, 826305, 1432262, 1652610, 2148393, 3580655, 4296786, 7161310, 10741965, 21483930]

約数ペア:

[(1, 21483930), (2, 10741965), (3, 7161310), (5, 4296786), (6, 3580655), (10, 2148393), (13, 1652610), (15, 1432262), (26, 826305), (30, 716131), (31, 693030), (39, 550870), (62, 346515), (65, 330522), (78, 275435), (93, 231010), (130, 165261), (155, 138606), (186, 115505), (195, 110174), (310, 69303), (390, 55087), (403, 53310), (465, 46202), (806, 26655), (930, 23101), (1209, 17770), (1777, 12090), (2015, 10662), (2418, 8885), (3554, 6045), (4030, 5331)]