21994192

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7351}}^1$

素因数の和:7387

約数の個数: 40

約数和(自身を含む): 49228992

約数和(自身を除く): 27234800

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 7351, 14702, 29404, 58808, 80861, 117616, 124967, 161722, 249934, 323444, 499868, 646888, 999736, 1293776, 1374637, 1999472, 2749274, 5498548, 10997096, 21994192]

約数ペア:

[(1, 21994192), (2, 10997096), (4, 5498548), (8, 2749274), (11, 1999472), (16, 1374637), (17, 1293776), (22, 999736), (34, 646888), (44, 499868), (68, 323444), (88, 249934), (136, 161722), (176, 124967), (187, 117616), (272, 80861), (374, 58808), (748, 29404), (1496, 14702), (2992, 7351)]