21425646

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{4447}}^1$

素因数の和:4536

約数の個数: 32

約数和(自身を含む): 47397888

約数和(自身を除く): 25972242

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 73, 146, 219, 438, 803, 1606, 2409, 4447, 4818, 8894, 13341, 26682, 48917, 97834, 146751, 293502, 324631, 649262, 973893, 1947786, 3570941, 7141882, 10712823, 21425646]

約数ペア:

[(1, 21425646), (2, 10712823), (3, 7141882), (6, 3570941), (11, 1947786), (22, 973893), (33, 649262), (66, 324631), (73, 293502), (146, 146751), (219, 97834), (438, 48917), (803, 26682), (1606, 13341), (2409, 8894), (4447, 4818)]