21421504

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25747}}^1$

素因数の和:25772

約数の個数: 28

約数和(自身を含む): 45779944

約数和(自身を除く): 24358440

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25747, 51494, 102988, 205976, 334711, 411952, 669422, 823904, 1338844, 1647808, 2677688, 5355376, 10710752, 21421504]

約数ペア:

[(1, 21421504), (2, 10710752), (4, 5355376), (8, 2677688), (13, 1647808), (16, 1338844), (26, 823904), (32, 669422), (52, 411952), (64, 334711), (104, 205976), (208, 102988), (416, 51494), (832, 25747)]