21453012

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{1051}}^1$

素因数の和:1080

約数の個数: 84

約数和(自身を含む): 64390816

約数和(自身を除く): 42937804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 729, 756, 972, 1051, 1134, 1458, 1701, 2102, 2268, 2916, 3153, 3402, 4204, 5103, 6306, 6804, 7357, 9459, 10206, 12612, 14714, 18918, 20412, 22071, 28377, 29428, 37836, 44142, 56754, 66213, 85131, 88284, 113508, 132426, 170262, 198639, 255393, 264852, 340524, 397278, 510786, 595917, 766179, 794556, 1021572, 1191834, 1532358, 1787751, 2383668, 3064716, 3575502, 5363253, 7151004, 10726506, 21453012]

約数ペア:

[(1, 21453012), (2, 10726506), (3, 7151004), (4, 5363253), (6, 3575502), (7, 3064716), (9, 2383668), (12, 1787751), (14, 1532358), (18, 1191834), (21, 1021572), (27, 794556), (28, 766179), (36, 595917), (42, 510786), (54, 397278), (63, 340524), (81, 264852), (84, 255393), (108, 198639), (126, 170262), (162, 132426), (189, 113508), (243, 88284), (252, 85131), (324, 66213), (378, 56754), (486, 44142), (567, 37836), (729, 29428), (756, 28377), (972, 22071), (1051, 20412), (1134, 18918), (1458, 14714), (1701, 12612), (2102, 10206), (2268, 9459), (2916, 7357), (3153, 6804), (3402, 6306), (4204, 5103)]