21139650

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{2237}}^1$

素因数の和:2265

約数の個数: 96

約数和(自身を含む): 66602880

約数和(自身を除く): 45463230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 90, 105, 126, 135, 150, 175, 189, 210, 225, 270, 315, 350, 378, 450, 525, 630, 675, 945, 1050, 1350, 1575, 1890, 2237, 3150, 4474, 4725, 6711, 9450, 11185, 13422, 15659, 20133, 22370, 31318, 33555, 40266, 46977, 55925, 60399, 67110, 78295, 93954, 100665, 111850, 120798, 140931, 156590, 167775, 201330, 234885, 281862, 301995, 335550, 391475, 422793, 469770, 503325, 603990, 704655, 782950, 845586, 1006650, 1174425, 1409310, 1509975, 2113965, 2348850, 3019950, 3523275, 4227930, 7046550, 10569825, 21139650]

約数ペア:

[(1, 21139650), (2, 10569825), (3, 7046550), (5, 4227930), (6, 3523275), (7, 3019950), (9, 2348850), (10, 2113965), (14, 1509975), (15, 1409310), (18, 1174425), (21, 1006650), (25, 845586), (27, 782950), (30, 704655), (35, 603990), (42, 503325), (45, 469770), (50, 422793), (54, 391475), (63, 335550), (70, 301995), (75, 281862), (90, 234885), (105, 201330), (126, 167775), (135, 156590), (150, 140931), (175, 120798), (189, 111850), (210, 100665), (225, 93954), (270, 78295), (315, 67110), (350, 60399), (378, 55925), (450, 46977), (525, 40266), (630, 33555), (675, 31318), (945, 22370), (1050, 20133), (1350, 15659), (1575, 13422), (1890, 11185), (2237, 9450), (3150, 6711), (4474, 4725)]