21177372

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 50803200

約数和(自身を除く): 29625828

約数列:

[1, 2, 3, 4, 6, 12, 79, 89, 158, 178, 237, 251, 267, 316, 356, 474, 502, 534, 753, 948, 1004, 1068, 1506, 3012, 7031, 14062, 19829, 21093, 22339, 28124, 39658, 42186, 44678, 59487, 67017, 79316, 84372, 89356, 118974, 134034, 237948, 268068, 1764781, 3529562, 5294343, 7059124, 10588686, 21177372]

約数ペア:

[(1, 21177372), (2, 10588686), (3, 7059124), (4, 5294343), (6, 3529562), (12, 1764781), (79, 268068), (89, 237948), (158, 134034), (178, 118974), (237, 89356), (251, 84372), (267, 79316), (316, 67017), (356, 59487), (474, 44678), (502, 42186), (534, 39658), (753, 28124), (948, 22339), (1004, 21093), (1068, 19829), (1506, 14062), (3012, 7031)]