21510972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{85361}}^1$

素因数の和:85378

約数の個数: 36

約数和(自身を含む): 62143536

約数和(自身を除く): 40632564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 85361, 170722, 256083, 341444, 512166, 597527, 768249, 1024332, 1195054, 1536498, 1792581, 2390108, 3072996, 3585162, 5377743, 7170324, 10755486, 21510972]

約数ペア:

[(1, 21510972), (2, 10755486), (3, 7170324), (4, 5377743), (6, 3585162), (7, 3072996), (9, 2390108), (12, 1792581), (14, 1536498), (18, 1195054), (21, 1024332), (28, 768249), (36, 597527), (42, 512166), (63, 341444), (84, 256083), (126, 170722), (252, 85361)]