21825540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 73696896

約数和(自身を除く): 51871356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 73, 90, 99, 110, 132, 146, 151, 165, 180, 198, 219, 220, 292, 302, 330, 365, 396, 438, 453, 495, 604, 657, 660, 730, 755, 803, 876, 906, 990, 1095, 1314, 1359, 1460, 1510, 1606, 1661, 1812, 1980, 2190, 2265, 2409, 2628, 2718, 3020, 3212, 3285, 3322, 4015, 4380, 4530, 4818, 4983, 5436, 6570, 6644, 6795, 7227, 8030, 8305, 9060, 9636, 9966, 11023, 12045, 13140, 13590, 14454, 14949, 16060, 16610, 19932, 22046, 24090, 24915, 27180, 28908, 29898, 33069, 33220, 36135, 44092, 48180, 49830, 55115, 59796, 66138, 72270, 74745, 99207, 99660, 110230, 121253, 132276, 144540, 149490, 165345, 198414, 220460, 242506, 298980, 330690, 363759, 396828, 485012, 496035, 606265, 661380, 727518, 992070, 1091277, 1212530, 1455036, 1818795, 1984140, 2182554, 2425060, 3637590, 4365108, 5456385, 7275180, 10912770, 21825540]

約数ペア:

[(1, 21825540), (2, 10912770), (3, 7275180), (4, 5456385), (5, 4365108), (6, 3637590), (9, 2425060), (10, 2182554), (11, 1984140), (12, 1818795), (15, 1455036), (18, 1212530), (20, 1091277), (22, 992070), (30, 727518), (33, 661380), (36, 606265), (44, 496035), (45, 485012), (55, 396828), (60, 363759), (66, 330690), (73, 298980), (90, 242506), (99, 220460), (110, 198414), (132, 165345), (146, 149490), (151, 144540), (165, 132276), (180, 121253), (198, 110230), (219, 99660), (220, 99207), (292, 74745), (302, 72270), (330, 66138), (365, 59796), (396, 55115), (438, 49830), (453, 48180), (495, 44092), (604, 36135), (657, 33220), (660, 33069), (730, 29898), (755, 28908), (803, 27180), (876, 24915), (906, 24090), (990, 22046), (1095, 19932), (1314, 16610), (1359, 16060), (1460, 14949), (1510, 14454), (1606, 13590), (1661, 13140), (1812, 12045), (1980, 11023), (2190, 9966), (2265, 9636), (2409, 9060), (2628, 8305), (2718, 8030), (3020, 7227), (3212, 6795), (3285, 6644), (3322, 6570), (4015, 5436), (4380, 4983), (4530, 4818)]