21174210

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26141}}^1$

素因数の和:26160

約数の個数: 40

約数和(自身を含む): 56937276

約数和(自身を除く): 35763066

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26141, 52282, 78423, 130705, 156846, 235269, 261410, 392115, 470538, 705807, 784230, 1176345, 1411614, 2117421, 2352690, 3529035, 4234842, 7058070, 10587105, 21174210]

約数ペア:

[(1, 21174210), (2, 10587105), (3, 7058070), (5, 4234842), (6, 3529035), (9, 2352690), (10, 2117421), (15, 1411614), (18, 1176345), (27, 784230), (30, 705807), (45, 470538), (54, 392115), (81, 261410), (90, 235269), (135, 156846), (162, 130705), (270, 78423), (405, 52282), (810, 26141)]