21991392

素因数分解:

$2^5\times 3^3\times {\mathrm{25453}}^1$

素因数の和:25472

約数の個数: 48

約数和(自身を含む): 64144080

約数和(自身を除く): 42152688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864, 25453, 50906, 76359, 101812, 152718, 203624, 229077, 305436, 407248, 458154, 610872, 687231, 814496, 916308, 1221744, 1374462, 1832616, 2443488, 2748924, 3665232, 5497848, 7330464, 10995696, 21991392]

約数ペア:

[(1, 21991392), (2, 10995696), (3, 7330464), (4, 5497848), (6, 3665232), (8, 2748924), (9, 2443488), (12, 1832616), (16, 1374462), (18, 1221744), (24, 916308), (27, 814496), (32, 687231), (36, 610872), (48, 458154), (54, 407248), (72, 305436), (96, 229077), (108, 203624), (144, 152718), (216, 101812), (288, 76359), (432, 50906), (864, 25453)]