21521338

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 13729862

約数列:

[1, 2, 19, 38, 67, 79, 107, 134, 158, 214, 1273, 1501, 2033, 2546, 3002, 4066, 5293, 7169, 8453, 10586, 14338, 16906, 100567, 136211, 160607, 201134, 272422, 321214, 566351, 1132702, 10760669, 21521338]

約数ペア:

[(1, 21521338), (2, 10760669), (19, 1132702), (38, 566351), (67, 321214), (79, 272422), (107, 201134), (134, 160607), (158, 136211), (214, 100567), (1273, 16906), (1501, 14338), (2033, 10586), (2546, 8453), (3002, 7169), (4066, 5293)]