21972538

素因数分解:

$2^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{4951}}^1$

素因数の和:5277

約数の個数: 16

約数和(自身を含む): 37793664

約数和(自身を除く): 15821126

約数列:

[1, 2, 7, 14, 317, 634, 2219, 4438, 4951, 9902, 34657, 69314, 1569467, 3138934, 10986269, 21972538]

約数ペア:

[(1, 21972538), (2, 10986269), (7, 3138934), (14, 1569467), (317, 69314), (634, 34657), (2219, 9902), (4438, 4951)]