21905646

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{74509}}^1$

素因数の和:74528

約数の個数: 24

約数和(自身を含む): 50964840

約数和(自身を除く): 29059194

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 74509, 149018, 223527, 447054, 521563, 1043126, 1564689, 3129378, 3650941, 7301882, 10952823, 21905646]

約数ペア:

[(1, 21905646), (2, 10952823), (3, 7301882), (6, 3650941), (7, 3129378), (14, 1564689), (21, 1043126), (42, 521563), (49, 447054), (98, 223527), (147, 149018), (294, 74509)]