21285252

素因数分解:

$2^2\times 3^2\times {\mathrm{313}}^1\times {\mathrm{1889}}^1$

素因数の和:2212

約数の個数: 36

約数和(自身を含む): 54004860

約数和(自身を除く): 32719608

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 313, 626, 939, 1252, 1878, 1889, 2817, 3756, 3778, 5634, 5667, 7556, 11268, 11334, 17001, 22668, 34002, 68004, 591257, 1182514, 1773771, 2365028, 3547542, 5321313, 7095084, 10642626, 21285252]

約数ペア:

[(1, 21285252), (2, 10642626), (3, 7095084), (4, 5321313), (6, 3547542), (9, 2365028), (12, 1773771), (18, 1182514), (36, 591257), (313, 68004), (626, 34002), (939, 22668), (1252, 17001), (1878, 11334), (1889, 11268), (2817, 7556), (3756, 5667), (3778, 5634)]