21034008

素因数分解:

$2^3\times 3^2\times {\mathrm{389}}^1\times {\mathrm{751}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 57189600

約数和(自身を除く): 36155592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 389, 751, 778, 1167, 1502, 1556, 2253, 2334, 3004, 3112, 3501, 4506, 4668, 6008, 6759, 7002, 9012, 9336, 13518, 14004, 18024, 27036, 28008, 54072, 292139, 584278, 876417, 1168556, 1752834, 2337112, 2629251, 3505668, 5258502, 7011336, 10517004, 21034008]

約数ペア:

[(1, 21034008), (2, 10517004), (3, 7011336), (4, 5258502), (6, 3505668), (8, 2629251), (9, 2337112), (12, 1752834), (18, 1168556), (24, 876417), (36, 584278), (72, 292139), (389, 54072), (751, 28008), (778, 27036), (1167, 18024), (1502, 14004), (1556, 13518), (2253, 9336), (2334, 9012), (3004, 7002), (3112, 6759), (3501, 6008), (4506, 4668)]