21016506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{500393}}^1$

素因数の和:500405

約数の個数: 16

約数和(自身を含む): 48037824

約数和(自身を除く): 27021318

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 500393, 1000786, 1501179, 3002358, 3502751, 7005502, 10508253, 21016506]

約数ペア:

[(1, 21016506), (2, 10508253), (3, 7005502), (6, 3502751), (7, 3002358), (14, 1501179), (21, 1000786), (42, 500393)]