21787710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{359}}^1$

素因数の和:410

約数の個数: 96

約数和(自身を含む): 63659520

約数和(自身を除く): 41871810

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 289, 357, 359, 510, 578, 595, 714, 718, 867, 1077, 1190, 1445, 1734, 1785, 1795, 2023, 2154, 2513, 2890, 3570, 3590, 4046, 4335, 5026, 5385, 6069, 6103, 7539, 8670, 10115, 10770, 12138, 12206, 12565, 15078, 18309, 20230, 25130, 30345, 30515, 36618, 37695, 42721, 60690, 61030, 75390, 85442, 91545, 103751, 128163, 183090, 207502, 213605, 256326, 311253, 427210, 518755, 622506, 640815, 726257, 1037510, 1281630, 1452514, 1556265, 2178771, 3112530, 3631285, 4357542, 7262570, 10893855, 21787710]

約数ペア:

[(1, 21787710), (2, 10893855), (3, 7262570), (5, 4357542), (6, 3631285), (7, 3112530), (10, 2178771), (14, 1556265), (15, 1452514), (17, 1281630), (21, 1037510), (30, 726257), (34, 640815), (35, 622506), (42, 518755), (51, 427210), (70, 311253), (85, 256326), (102, 213605), (105, 207502), (119, 183090), (170, 128163), (210, 103751), (238, 91545), (255, 85442), (289, 75390), (357, 61030), (359, 60690), (510, 42721), (578, 37695), (595, 36618), (714, 30515), (718, 30345), (867, 25130), (1077, 20230), (1190, 18309), (1445, 15078), (1734, 12565), (1785, 12206), (1795, 12138), (2023, 10770), (2154, 10115), (2513, 8670), (2890, 7539), (3570, 6103), (3590, 6069), (4046, 5385), (4335, 5026)]