21139572

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{26293}}^1$

素因数の和:26367

約数の個数: 24

約数和(自身を含む): 50063776

約数和(自身を除く): 28924204

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 26293, 52586, 78879, 105172, 157758, 315516, 1761631, 3523262, 5284893, 7046524, 10569786, 21139572]

約数ペア:

[(1, 21139572), (2, 10569786), (3, 7046524), (4, 5284893), (6, 3523262), (12, 1761631), (67, 315516), (134, 157758), (201, 105172), (268, 78879), (402, 52586), (804, 26293)]