21093570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1051}}^1$

素因数の和:1287

約数の個数: 48

約数和(自身を含む): 55141632

約数和(自身を除く): 34048062

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 223, 446, 669, 1051, 1115, 1338, 2007, 2102, 2230, 3153, 3345, 4014, 5255, 6306, 6690, 9459, 10035, 10510, 15765, 18918, 20070, 31530, 47295, 94590, 234373, 468746, 703119, 1171865, 1406238, 2109357, 2343730, 3515595, 4218714, 7031190, 10546785, 21093570]

約数ペア:

[(1, 21093570), (2, 10546785), (3, 7031190), (5, 4218714), (6, 3515595), (9, 2343730), (10, 2109357), (15, 1406238), (18, 1171865), (30, 703119), (45, 468746), (90, 234373), (223, 94590), (446, 47295), (669, 31530), (1051, 20070), (1115, 18918), (1338, 15765), (2007, 10510), (2102, 10035), (2230, 9459), (3153, 6690), (3345, 6306), (4014, 5255)]