21025362

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{571}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 47073312

約数和(自身を除く): 26047950

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 323, 361, 571, 646, 722, 969, 1083, 1142, 1713, 1938, 2166, 3426, 6137, 9707, 10849, 12274, 18411, 19414, 21698, 29121, 32547, 36822, 58242, 65094, 184433, 206131, 368866, 412262, 553299, 618393, 1106598, 1236786, 3504227, 7008454, 10512681, 21025362]

約数ペア:

[(1, 21025362), (2, 10512681), (3, 7008454), (6, 3504227), (17, 1236786), (19, 1106598), (34, 618393), (38, 553299), (51, 412262), (57, 368866), (102, 206131), (114, 184433), (323, 65094), (361, 58242), (571, 36822), (646, 32547), (722, 29121), (969, 21698), (1083, 19414), (1142, 18411), (1713, 12274), (1938, 10849), (2166, 9707), (3426, 6137)]