21740222

素因数分解:

$2^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{2287}}^1$

素因数の和:2400

約数の個数: 24

約数和(自身を含む): 38342304

約数和(自身を除く): 16602082

約数列:

[1, 2, 7, 14, 49, 97, 98, 194, 679, 1358, 2287, 4574, 4753, 9506, 16009, 32018, 112063, 221839, 224126, 443678, 1552873, 3105746, 10870111, 21740222]

約数ペア:

[(1, 21740222), (2, 10870111), (7, 3105746), (14, 1552873), (49, 443678), (97, 224126), (98, 221839), (194, 112063), (679, 32018), (1358, 16009), (2287, 9506), (4574, 4753)]