21048992

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38693}}^1$

素因数の和:38720

約数の個数: 24

約数和(自身を含む): 43878996

約数和(自身を除く): 22830004

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38693, 77386, 154772, 309544, 619088, 657781, 1238176, 1315562, 2631124, 5262248, 10524496, 21048992]

約数ペア:

[(1, 21048992), (2, 10524496), (4, 5262248), (8, 2631124), (16, 1315562), (17, 1238176), (32, 657781), (34, 619088), (68, 309544), (136, 154772), (272, 77386), (544, 38693)]