21324660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{50773}}^1$

素因数の和:50792

約数の個数: 48

約数和(自身を含む): 68240256

約数和(自身を除く): 46915596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 50773, 101546, 152319, 203092, 253865, 304638, 355411, 507730, 609276, 710822, 761595, 1015460, 1066233, 1421644, 1523190, 1777055, 2132466, 3046380, 3554110, 4264932, 5331165, 7108220, 10662330, 21324660]

約数ペア:

[(1, 21324660), (2, 10662330), (3, 7108220), (4, 5331165), (5, 4264932), (6, 3554110), (7, 3046380), (10, 2132466), (12, 1777055), (14, 1523190), (15, 1421644), (20, 1066233), (21, 1015460), (28, 761595), (30, 710822), (35, 609276), (42, 507730), (60, 355411), (70, 304638), (84, 253865), (105, 203092), (140, 152319), (210, 101546), (420, 50773)]