21992048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4597}}^1$

素因数の和:4641

約数の個数: 40

約数和(自身を含む): 47892768

約数和(自身を除く): 25900720

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4597, 4784, 9194, 18388, 36776, 59761, 73552, 105731, 119522, 211462, 239044, 422924, 478088, 845848, 956176, 1374503, 1691696, 2749006, 5498012, 10996024, 21992048]

約数ペア:

[(1, 21992048), (2, 10996024), (4, 5498012), (8, 2749006), (13, 1691696), (16, 1374503), (23, 956176), (26, 845848), (46, 478088), (52, 422924), (92, 239044), (104, 211462), (184, 119522), (208, 105731), (299, 73552), (368, 59761), (598, 36776), (1196, 18388), (2392, 9194), (4597, 4784)]