21271901436

素因数分解:

$2^2\times 3^2\times {\mathrm{277}}^1\times {\mathrm{541}}^1\times {\mathrm{3943}}^1$

素因数の和:4771

約数の個数: 72

約数和(自身を含む): 54078219104

約数和(自身を除く): 32806317668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 277, 541, 554, 831, 1082, 1108, 1623, 1662, 2164, 2493, 3246, 3324, 3943, 4869, 4986, 6492, 7886, 9738, 9972, 11829, 15772, 19476, 23658, 35487, 47316, 70974, 141948, 149857, 299714, 449571, 599428, 899142, 1092211, 1348713, 1798284, 2133163, 2184422, 2697426, 3276633, 4266326, 4368844, 5394852, 6399489, 6553266, 8532652, 9829899, 12798978, 13106532, 19198467, 19659798, 25597956, 38396934, 39319596, 76793868, 590886151, 1181772302, 1772658453, 2363544604, 3545316906, 5317975359, 7090633812, 10635950718, 21271901436]

約数ペア:

[(1, 21271901436), (2, 10635950718), (3, 7090633812), (4, 5317975359), (6, 3545316906), (9, 2363544604), (12, 1772658453), (18, 1181772302), (36, 590886151), (277, 76793868), (541, 39319596), (554, 38396934), (831, 25597956), (1082, 19659798), (1108, 19198467), (1623, 13106532), (1662, 12798978), (2164, 9829899), (2493, 8532652), (3246, 6553266), (3324, 6399489), (3943, 5394852), (4869, 4368844), (4986, 4266326), (6492, 3276633), (7886, 2697426), (9738, 2184422), (9972, 2133163), (11829, 1798284), (15772, 1348713), (19476, 1092211), (23658, 899142), (35487, 599428), (47316, 449571), (70974, 299714), (141948, 149857)]