21109550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5483}}^1$

素因数の和:5513

約数の個数: 48

約数和(自身を含む): 48961152

約数和(自身を除く): 27851602

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5483, 10966, 27415, 38381, 54830, 60313, 76762, 120626, 137075, 191905, 274150, 301565, 383810, 422191, 603130, 844382, 959525, 1507825, 1919050, 2110955, 3015650, 4221910, 10554775, 21109550]

約数ペア:

[(1, 21109550), (2, 10554775), (5, 4221910), (7, 3015650), (10, 2110955), (11, 1919050), (14, 1507825), (22, 959525), (25, 844382), (35, 603130), (50, 422191), (55, 383810), (70, 301565), (77, 274150), (110, 191905), (154, 137075), (175, 120626), (275, 76762), (350, 60313), (385, 54830), (550, 38381), (770, 27415), (1925, 10966), (3850, 5483)]