21263004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{84377}}^1$

素因数の和:84394

約数の個数: 36

約数和(自身を含む): 61427184

約数和(自身を除く): 40164180

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 84377, 168754, 253131, 337508, 506262, 590639, 759393, 1012524, 1181278, 1518786, 1771917, 2362556, 3037572, 3543834, 5315751, 7087668, 10631502, 21263004]

約数ペア:

[(1, 21263004), (2, 10631502), (3, 7087668), (4, 5315751), (6, 3543834), (7, 3037572), (9, 2362556), (12, 1771917), (14, 1518786), (18, 1181278), (21, 1012524), (28, 759393), (36, 590639), (42, 506262), (63, 337508), (84, 253131), (126, 168754), (252, 84377)]