16863420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{40151}}^1$

素因数の和:40170

約数の個数: 48

約数和(自身を含む): 53964288

約数和(自身を除く): 37100868

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, 40151, 80302, 120453, 160604, 200755, 240906, 281057, 401510, 481812, 562114, 602265, 803020, 843171, 1124228, 1204530, 1405285, 1686342, 2409060, 2810570, 3372684, 4215855, 5621140, 8431710, 16863420]

約数ペア:

[(1, 16863420), (2, 8431710), (3, 5621140), (4, 4215855), (5, 3372684), (6, 2810570), (7, 2409060), (10, 1686342), (12, 1405285), (14, 1204530), (15, 1124228), (20, 843171), (21, 803020), (28, 602265), (30, 562114), (35, 481812), (42, 401510), (60, 281057), (70, 240906), (84, 200755), (105, 160604), (140, 120453), (210, 80302), (420, 40151)]