21276564

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 52297728

約数和(自身を除く): 31021164

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 127, 138, 254, 276, 381, 508, 607, 762, 1214, 1524, 1821, 2428, 2921, 3642, 5842, 7284, 8763, 11684, 13961, 17526, 27922, 35052, 41883, 55844, 77089, 83766, 154178, 167532, 231267, 308356, 462534, 925068, 1773047, 3546094, 5319141, 7092188, 10638282, 21276564]

約数ペア:

[(1, 21276564), (2, 10638282), (3, 7092188), (4, 5319141), (6, 3546094), (12, 1773047), (23, 925068), (46, 462534), (69, 308356), (92, 231267), (127, 167532), (138, 154178), (254, 83766), (276, 77089), (381, 55844), (508, 41883), (607, 35052), (762, 27922), (1214, 17526), (1524, 13961), (1821, 11684), (2428, 8763), (2921, 7284), (3642, 5842)]