2100063980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15000457}}^1$

素因数の和:15000473

約数の個数: 24

約数和(自身を含む): 5040153888

約数和(自身を除く): 2940089908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15000457, 30000914, 60001828, 75002285, 105003199, 150004570, 210006398, 300009140, 420012796, 525015995, 1050031990, 2100063980]

約数ペア:

[(1, 2100063980), (2, 1050031990), (4, 525015995), (5, 420012796), (7, 300009140), (10, 210006398), (14, 150004570), (20, 105003199), (28, 75002285), (35, 60001828), (70, 30000914), (140, 15000457)]