21107154180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{50255129}}^1$

素因数の和:50255148

約数の個数: 48

約数和(自身を含む): 67542894720

約数和(自身を除く): 46435740540

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, 50255129, 100510258, 150765387, 201020516, 251275645, 301530774, 351785903, 502551290, 603061548, 703571806, 753826935, 1005102580, 1055357709, 1407143612, 1507653870, 1758929515, 2110715418, 3015307740, 3517859030, 4221430836, 5276788545, 7035718060, 10553577090, 21107154180]

約数ペア:

[(1, 21107154180), (2, 10553577090), (3, 7035718060), (4, 5276788545), (5, 4221430836), (6, 3517859030), (7, 3015307740), (10, 2110715418), (12, 1758929515), (14, 1507653870), (15, 1407143612), (20, 1055357709), (21, 1005102580), (28, 753826935), (30, 703571806), (35, 603061548), (42, 502551290), (60, 351785903), (70, 301530774), (84, 251275645), (105, 201020516), (140, 150765387), (210, 100510258), (420, 50255129)]