21748370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3203}}^1$

素因数の和:3314

約数の個数: 32

約数和(自身を含む): 45214848

約数和(自身を除く): 23466478

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 3203, 3395, 6406, 6790, 16015, 22421, 32030, 44842, 112105, 224210, 310691, 621382, 1553455, 2174837, 3106910, 4349674, 10874185, 21748370]

約数ペア:

[(1, 21748370), (2, 10874185), (5, 4349674), (7, 3106910), (10, 2174837), (14, 1553455), (35, 621382), (70, 310691), (97, 224210), (194, 112105), (485, 44842), (679, 32030), (970, 22421), (1358, 16015), (3203, 6790), (3395, 6406)]