21751338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13997}}^1$

素因数の和:14046

約数の個数: 32

約数和(自身を含む): 51064704

約数和(自身を除く): 29313366

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13997, 27994, 41991, 83982, 97979, 195958, 293937, 517889, 587874, 1035778, 1553667, 3107334, 3625223, 7250446, 10875669, 21751338]

約数ペア:

[(1, 21751338), (2, 10875669), (3, 7250446), (6, 3625223), (7, 3107334), (14, 1553667), (21, 1035778), (37, 587874), (42, 517889), (74, 293937), (111, 195958), (222, 97979), (259, 83982), (518, 41991), (777, 27994), (1554, 13997)]