21276612

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{84431}}^1$

素因数の和:84448

約数の個数: 36

約数和(自身を含む): 61466496

約数和(自身を除く): 40189884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 84431, 168862, 253293, 337724, 506586, 591017, 759879, 1013172, 1182034, 1519758, 1773051, 2364068, 3039516, 3546102, 5319153, 7092204, 10638306, 21276612]

約数ペア:

[(1, 21276612), (2, 10638306), (3, 7092204), (4, 5319153), (6, 3546102), (7, 3039516), (9, 2364068), (12, 1773051), (14, 1519758), (18, 1182034), (21, 1013172), (28, 759879), (36, 591017), (42, 506586), (63, 337724), (84, 253293), (126, 168862), (252, 84431)]