21745206

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{57527}}^1$

素因数の和:57545

約数の個数: 32

約数和(自身を含む): 55226880

約数和(自身を除く): 33481674

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 57527, 115054, 172581, 345162, 402689, 517743, 805378, 1035486, 1208067, 1553229, 2416134, 3106458, 3624201, 7248402, 10872603, 21745206]

約数ペア:

[(1, 21745206), (2, 10872603), (3, 7248402), (6, 3624201), (7, 3106458), (9, 2416134), (14, 1553229), (18, 1208067), (21, 1035486), (27, 805378), (42, 517743), (54, 402689), (63, 345162), (126, 172581), (189, 115054), (378, 57527)]