21107772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83761}}^1$

素因数の和:83778

約数の個数: 36

約数和(自身を含む): 60978736

約数和(自身を除く): 39870964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 83761, 167522, 251283, 335044, 502566, 586327, 753849, 1005132, 1172654, 1507698, 1758981, 2345308, 3015396, 3517962, 5276943, 7035924, 10553886, 21107772]

約数ペア:

[(1, 21107772), (2, 10553886), (3, 7035924), (4, 5276943), (6, 3517962), (7, 3015396), (9, 2345308), (12, 1758981), (14, 1507698), (18, 1172654), (21, 1005132), (28, 753849), (36, 586327), (42, 502566), (63, 335044), (84, 251283), (126, 167522), (252, 83761)]