21002381124

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{297097}}^1$

素因数の和:297284

約数の個数: 48

約数和(自身を含む): 50511413568

約数和(自身を除く): 29509032444

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 137, 172, 258, 274, 411, 516, 548, 822, 1644, 5891, 11782, 17673, 23564, 35346, 70692, 297097, 594194, 891291, 1188388, 1782582, 3565164, 12775171, 25550342, 38325513, 40702289, 51100684, 76651026, 81404578, 122106867, 153302052, 162809156, 244213734, 488427468, 1750198427, 3500396854, 5250595281, 7000793708, 10501190562, 21002381124]

約数ペア:

[(1, 21002381124), (2, 10501190562), (3, 7000793708), (4, 5250595281), (6, 3500396854), (12, 1750198427), (43, 488427468), (86, 244213734), (129, 162809156), (137, 153302052), (172, 122106867), (258, 81404578), (274, 76651026), (411, 51100684), (516, 40702289), (548, 38325513), (822, 25550342), (1644, 12775171), (5891, 3565164), (11782, 1782582), (17673, 1188388), (23564, 891291), (35346, 594194), (70692, 297097)]