21202686

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{17581}}^1$

素因数の和:17656

約数の個数: 24

約数和(自身を含む): 46627464

約数和(自身を除く): 25424778

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 17581, 35162, 52743, 105486, 158229, 316458, 1177927, 2355854, 3533781, 7067562, 10601343, 21202686]

約数ペア:

[(1, 21202686), (2, 10601343), (3, 7067562), (6, 3533781), (9, 2355854), (18, 1177927), (67, 316458), (134, 158229), (201, 105486), (402, 52743), (603, 35162), (1206, 17581)]