21876190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{312517}}^1$

素因数の和:312531

約数の個数: 16

約数和(自身を含む): 45002592

約数和(自身を除く): 23126402

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 312517, 625034, 1562585, 2187619, 3125170, 4375238, 10938095, 21876190]

約数ペア:

[(1, 21876190), (2, 10938095), (5, 4375238), (7, 3125170), (10, 2187619), (14, 1562585), (35, 625034), (70, 312517)]