821973180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1957079}}^1$

素因数の和:1957098

約数の個数: 48

約数和(自身を含む): 2630315520

約数和(自身を除く): 1808342340

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, 1957079, 3914158, 5871237, 7828316, 9785395, 11742474, 13699553, 19570790, 23484948, 27399106, 29356185, 39141580, 41098659, 54798212, 58712370, 68497765, 82197318, 117424740, 136995530, 164394636, 205493295, 273991060, 410986590, 821973180]

約数ペア:

[(1, 821973180), (2, 410986590), (3, 273991060), (4, 205493295), (5, 164394636), (6, 136995530), (7, 117424740), (10, 82197318), (12, 68497765), (14, 58712370), (15, 54798212), (20, 41098659), (21, 39141580), (28, 29356185), (30, 27399106), (35, 23484948), (42, 19570790), (60, 13699553), (70, 11742474), (84, 9785395), (105, 7828316), (140, 5871237), (210, 3914158), (420, 1957079)]