21750176

素因数分解:

$2^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1197

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 27782944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 89, 112, 178, 224, 356, 623, 712, 1091, 1246, 1424, 2182, 2492, 2848, 4364, 4984, 7637, 8728, 9968, 15274, 17456, 19936, 30548, 34912, 61096, 97099, 122192, 194198, 244384, 388396, 679693, 776792, 1359386, 1553584, 2718772, 3107168, 5437544, 10875088, 21750176]

約数ペア:

[(1, 21750176), (2, 10875088), (4, 5437544), (7, 3107168), (8, 2718772), (14, 1553584), (16, 1359386), (28, 776792), (32, 679693), (56, 388396), (89, 244384), (112, 194198), (178, 122192), (224, 97099), (356, 61096), (623, 34912), (712, 30548), (1091, 19936), (1246, 17456), (1424, 15274), (2182, 9968), (2492, 8728), (2848, 7637), (4364, 4984)]