21037564814

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{191449}}^1$

素因数の和:191672

約数の個数: 32

約数和(自身を含む): 37052467200

約数和(自身を除く): 16014902386

約数列:

[1, 2, 7, 14, 47, 94, 167, 329, 334, 658, 1169, 2338, 7849, 15698, 54943, 109886, 191449, 382898, 1340143, 2680286, 8998103, 17996206, 31971983, 62986721, 63943966, 125973442, 223803881, 447607762, 1502683201, 3005366402, 10518782407, 21037564814]

約数ペア:

[(1, 21037564814), (2, 10518782407), (7, 3005366402), (14, 1502683201), (47, 447607762), (94, 223803881), (167, 125973442), (329, 63943966), (334, 62986721), (658, 31971983), (1169, 17996206), (2338, 8998103), (7849, 2680286), (15698, 1340143), (54943, 382898), (109886, 191449)]