21764386

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4813}}^1$

素因数の和:4858

約数の個数: 32

約数和(自身を含む): 41592960

約数和(自身を除く): 19828574

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 2261, 4522, 4813, 9626, 33691, 67382, 81821, 91447, 163642, 182894, 572747, 640129, 1145494, 1280258, 1554599, 3109198, 10882193, 21764386]

約数ペア:

[(1, 21764386), (2, 10882193), (7, 3109198), (14, 1554599), (17, 1280258), (19, 1145494), (34, 640129), (38, 572747), (119, 182894), (133, 163642), (238, 91447), (266, 81821), (323, 67382), (646, 33691), (2261, 9626), (4522, 4813)]