21984928

素因数分解:

$2^5\times 7^3\times {\mathrm{2003}}^1$

素因数の和:2034

約数の個数: 48

約数和(自身を含む): 50500800

約数和(自身を除く): 28515872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 686, 784, 1372, 1568, 2003, 2744, 4006, 5488, 8012, 10976, 14021, 16024, 28042, 32048, 56084, 64096, 98147, 112168, 196294, 224336, 392588, 448672, 687029, 785176, 1374058, 1570352, 2748116, 3140704, 5496232, 10992464, 21984928]

約数ペア:

[(1, 21984928), (2, 10992464), (4, 5496232), (7, 3140704), (8, 2748116), (14, 1570352), (16, 1374058), (28, 785176), (32, 687029), (49, 448672), (56, 392588), (98, 224336), (112, 196294), (196, 112168), (224, 98147), (343, 64096), (392, 56084), (686, 32048), (784, 28042), (1372, 16024), (1568, 14021), (2003, 10976), (2744, 8012), (4006, 5488)]