21786156

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{86453}}^1$

素因数の和:86470

約数の個数: 36

約数和(自身を含む): 62938512

約数和(自身を除く): 41152356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 86453, 172906, 259359, 345812, 518718, 605171, 778077, 1037436, 1210342, 1556154, 1815513, 2420684, 3112308, 3631026, 5446539, 7262052, 10893078, 21786156]

約数ペア:

[(1, 21786156), (2, 10893078), (3, 7262052), (4, 5446539), (6, 3631026), (7, 3112308), (9, 2420684), (12, 1815513), (14, 1556154), (18, 1210342), (21, 1037436), (28, 778077), (36, 605171), (42, 518718), (63, 345812), (84, 259359), (126, 172906), (252, 86453)]