21146040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:557

約数の個数: 96

約数和(自身を含む): 69357600

約数和(自身を除く): 48211560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 151, 180, 302, 360, 389, 453, 604, 755, 778, 906, 1167, 1208, 1359, 1510, 1556, 1812, 1945, 2265, 2334, 2718, 3020, 3112, 3501, 3624, 3890, 4530, 4668, 5436, 5835, 6040, 6795, 7002, 7780, 9060, 9336, 10872, 11670, 13590, 14004, 15560, 17505, 18120, 23340, 27180, 28008, 35010, 46680, 54360, 58739, 70020, 117478, 140040, 176217, 234956, 293695, 352434, 469912, 528651, 587390, 704868, 881085, 1057302, 1174780, 1409736, 1762170, 2114604, 2349560, 2643255, 3524340, 4229208, 5286510, 7048680, 10573020, 21146040]

約数ペア:

[(1, 21146040), (2, 10573020), (3, 7048680), (4, 5286510), (5, 4229208), (6, 3524340), (8, 2643255), (9, 2349560), (10, 2114604), (12, 1762170), (15, 1409736), (18, 1174780), (20, 1057302), (24, 881085), (30, 704868), (36, 587390), (40, 528651), (45, 469912), (60, 352434), (72, 293695), (90, 234956), (120, 176217), (151, 140040), (180, 117478), (302, 70020), (360, 58739), (389, 54360), (453, 46680), (604, 35010), (755, 28008), (778, 27180), (906, 23340), (1167, 18120), (1208, 17505), (1359, 15560), (1510, 14004), (1556, 13590), (1812, 11670), (1945, 10872), (2265, 9336), (2334, 9060), (2718, 7780), (3020, 7002), (3112, 6795), (3501, 6040), (3624, 5835), (3890, 5436), (4530, 4668)]