21167993077

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{69439}}^1$

素因数の和:69601

約数の個数: 32

約数和(自身を含む): 27358248960

約数和(自身を除く): 6190255883

約数列:

[1, 7, 11, 37, 77, 107, 259, 407, 749, 1177, 2849, 3959, 8239, 27713, 43549, 69439, 304843, 486073, 763829, 2569243, 5346803, 7429973, 17984701, 28261673, 52009811, 81729703, 197831711, 274909001, 572107921, 1924363007, 3023999011, 21167993077]

約数ペア:

[(1, 21167993077), (7, 3023999011), (11, 1924363007), (37, 572107921), (77, 274909001), (107, 197831711), (259, 81729703), (407, 52009811), (749, 28261673), (1177, 17984701), (2849, 7429973), (3959, 5346803), (8239, 2569243), (27713, 763829), (43549, 486073), (69439, 304843)]