21032810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4813}}^1$

素因数の和:4862

約数の個数: 32

約数和(自身を含む): 41592960

約数和(自身を除く): 20560150

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4813, 9626, 24065, 48130, 91447, 110699, 182894, 221398, 457235, 553495, 914470, 1106990, 2103281, 4206562, 10516405, 21032810]

約数ペア:

[(1, 21032810), (2, 10516405), (5, 4206562), (10, 2103281), (19, 1106990), (23, 914470), (38, 553495), (46, 457235), (95, 221398), (115, 182894), (190, 110699), (230, 91447), (437, 48130), (874, 24065), (2185, 9626), (4370, 4813)]