21371670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2861}}^1$

素因数の和:2957

約数の個数: 48

約数和(自身を含む): 56255472

約数和(自身を除く): 34883802

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 83, 90, 166, 249, 415, 498, 747, 830, 1245, 1494, 2490, 2861, 3735, 5722, 7470, 8583, 14305, 17166, 25749, 28610, 42915, 51498, 85830, 128745, 237463, 257490, 474926, 712389, 1187315, 1424778, 2137167, 2374630, 3561945, 4274334, 7123890, 10685835, 21371670]

約数ペア:

[(1, 21371670), (2, 10685835), (3, 7123890), (5, 4274334), (6, 3561945), (9, 2374630), (10, 2137167), (15, 1424778), (18, 1187315), (30, 712389), (45, 474926), (83, 257490), (90, 237463), (166, 128745), (249, 85830), (415, 51498), (498, 42915), (747, 28610), (830, 25749), (1245, 17166), (1494, 14305), (2490, 8583), (2861, 7470), (3735, 5722)]