21688192

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9967}}^1$

素因数の和:9998

約数の個数: 32

約数和(自身を含む): 45753120

約数和(自身を除く): 24064928

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9967, 19934, 39868, 79736, 159472, 169439, 318944, 338878, 637888, 677756, 1275776, 1355512, 2711024, 5422048, 10844096, 21688192]

約数ペア:

[(1, 21688192), (2, 10844096), (4, 5422048), (8, 2711024), (16, 1355512), (17, 1275776), (32, 677756), (34, 637888), (64, 338878), (68, 318944), (128, 169439), (136, 159472), (272, 79736), (544, 39868), (1088, 19934), (2176, 9967)]