21487410

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11369}}^1$

素因数の和:11392

約数の個数: 64

約数和(自身を含む): 65491200

約数和(自身を除く): 44003790

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11369, 22738, 34107, 56845, 68214, 79583, 102321, 113690, 159166, 170535, 204642, 238749, 306963, 341070, 397915, 477498, 511605, 613926, 716247, 795830, 1023210, 1193745, 1432494, 1534815, 2148741, 2387490, 3069630, 3581235, 4297482, 7162470, 10743705, 21487410]

約数ペア:

[(1, 21487410), (2, 10743705), (3, 7162470), (5, 4297482), (6, 3581235), (7, 3069630), (9, 2387490), (10, 2148741), (14, 1534815), (15, 1432494), (18, 1193745), (21, 1023210), (27, 795830), (30, 716247), (35, 613926), (42, 511605), (45, 477498), (54, 397915), (63, 341070), (70, 306963), (90, 238749), (105, 204642), (126, 170535), (135, 159166), (189, 113690), (210, 102321), (270, 79583), (315, 68214), (378, 56845), (630, 34107), (945, 22738), (1890, 11369)]