21200184

素因数分解:

$2^3\times 3^3\times {\mathrm{61}}^1\times {\mathrm{1609}}^1$

素因数の和:1685

約数の個数: 64

約数和(自身を含む): 59892000

約数和(自身を除く): 38691816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 61, 72, 108, 122, 183, 216, 244, 366, 488, 549, 732, 1098, 1464, 1609, 1647, 2196, 3218, 3294, 4392, 4827, 6436, 6588, 9654, 12872, 13176, 14481, 19308, 28962, 38616, 43443, 57924, 86886, 98149, 115848, 173772, 196298, 294447, 347544, 392596, 588894, 785192, 883341, 1177788, 1766682, 2355576, 2650023, 3533364, 5300046, 7066728, 10600092, 21200184]

約数ペア:

[(1, 21200184), (2, 10600092), (3, 7066728), (4, 5300046), (6, 3533364), (8, 2650023), (9, 2355576), (12, 1766682), (18, 1177788), (24, 883341), (27, 785192), (36, 588894), (54, 392596), (61, 347544), (72, 294447), (108, 196298), (122, 173772), (183, 115848), (216, 98149), (244, 86886), (366, 57924), (488, 43443), (549, 38616), (732, 28962), (1098, 19308), (1464, 14481), (1609, 13176), (1647, 12872), (2196, 9654), (3218, 6588), (3294, 6436), (4392, 4827)]