21000079200

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{8750033}}^1$

素因数の和:8750056

約数の個数: 72

約数和(自身を含む): 68355265608

約数和(自身を除く): 47355186408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 200, 240, 300, 400, 480, 600, 800, 1200, 2400, 8750033, 17500066, 26250099, 35000132, 43750165, 52500198, 70000264, 87500330, 105000396, 131250495, 140000528, 175000660, 210000792, 218750825, 262500990, 280001056, 350001320, 420001584, 437501650, 525001980, 656252475, 700002640, 840003168, 875003300, 1050003960, 1312504950, 1400005280, 1750006600, 2100007920, 2625009900, 3500013200, 4200015840, 5250019800, 7000026400, 10500039600, 21000079200]

約数ペア:

[(1, 21000079200), (2, 10500039600), (3, 7000026400), (4, 5250019800), (5, 4200015840), (6, 3500013200), (8, 2625009900), (10, 2100007920), (12, 1750006600), (15, 1400005280), (16, 1312504950), (20, 1050003960), (24, 875003300), (25, 840003168), (30, 700002640), (32, 656252475), (40, 525001980), (48, 437501650), (50, 420001584), (60, 350001320), (75, 280001056), (80, 262500990), (96, 218750825), (100, 210000792), (120, 175000660), (150, 140000528), (160, 131250495), (200, 105000396), (240, 87500330), (300, 70000264), (400, 52500198), (480, 43750165), (600, 35000132), (800, 26250099), (1200, 17500066), (2400, 8750033)]