21236316

素因数分解:

$2^2\times 3^1\times {\mathrm{113}}^1\times {\mathrm{15661}}^1$

素因数の和:15781

約数の個数: 24

約数和(自身を含む): 49993104

約数和(自身を除く): 28756788

約数列:

[1, 2, 3, 4, 6, 12, 113, 226, 339, 452, 678, 1356, 15661, 31322, 46983, 62644, 93966, 187932, 1769693, 3539386, 5309079, 7078772, 10618158, 21236316]

約数ペア:

[(1, 21236316), (2, 10618158), (3, 7078772), (4, 5309079), (6, 3539386), (12, 1769693), (113, 187932), (226, 93966), (339, 62644), (452, 46983), (678, 31322), (1356, 15661)]