21621902512

素因数分解:

$2^4\times 7^1\times {\mathrm{2389}}^1\times {\mathrm{80809}}^1$

素因数の和:83213

約数の個数: 40

約数和(自身を含む): 47897703200

約数和(自身を除く): 26275800688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2389, 4778, 9556, 16723, 19112, 33446, 38224, 66892, 80809, 133784, 161618, 267568, 323236, 565663, 646472, 1131326, 1292944, 2262652, 4525304, 9050608, 193052701, 386105402, 772210804, 1351368907, 1544421608, 2702737814, 3088843216, 5405475628, 10810951256, 21621902512]

約数ペア:

[(1, 21621902512), (2, 10810951256), (4, 5405475628), (7, 3088843216), (8, 2702737814), (14, 1544421608), (16, 1351368907), (28, 772210804), (56, 386105402), (112, 193052701), (2389, 9050608), (4778, 4525304), (9556, 2262652), (16723, 1292944), (19112, 1131326), (33446, 646472), (38224, 565663), (66892, 323236), (80809, 267568), (133784, 161618)]