21743910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2777}}^1$

素因数の和:2822

約数の個数: 64

約数和(自身を含む): 60004800

約数和(自身を除く): 38260890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 135, 145, 174, 261, 270, 290, 435, 522, 783, 870, 1305, 1566, 2610, 2777, 3915, 5554, 7830, 8331, 13885, 16662, 24993, 27770, 41655, 49986, 74979, 80533, 83310, 124965, 149958, 161066, 241599, 249930, 374895, 402665, 483198, 724797, 749790, 805330, 1207995, 1449594, 2174391, 2415990, 3623985, 4348782, 7247970, 10871955, 21743910]

約数ペア:

[(1, 21743910), (2, 10871955), (3, 7247970), (5, 4348782), (6, 3623985), (9, 2415990), (10, 2174391), (15, 1449594), (18, 1207995), (27, 805330), (29, 749790), (30, 724797), (45, 483198), (54, 402665), (58, 374895), (87, 249930), (90, 241599), (135, 161066), (145, 149958), (174, 124965), (261, 83310), (270, 80533), (290, 74979), (435, 49986), (522, 41655), (783, 27770), (870, 24993), (1305, 16662), (1566, 13885), (2610, 8331), (2777, 7830), (3915, 5554)]