21951692

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 47029248

約数和(自身を除く): 25077556

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 107, 119, 214, 238, 428, 431, 476, 749, 862, 1498, 1724, 1819, 2996, 3017, 3638, 6034, 7276, 7327, 12068, 12733, 14654, 25466, 29308, 46117, 50932, 51289, 92234, 102578, 184468, 205156, 322819, 645638, 783989, 1291276, 1567978, 3135956, 5487923, 10975846, 21951692]

約数ペア:

[(1, 21951692), (2, 10975846), (4, 5487923), (7, 3135956), (14, 1567978), (17, 1291276), (28, 783989), (34, 645638), (68, 322819), (107, 205156), (119, 184468), (214, 102578), (238, 92234), (428, 51289), (431, 50932), (476, 46117), (749, 29308), (862, 25466), (1498, 14654), (1724, 12733), (1819, 12068), (2996, 7327), (3017, 7276), (3638, 6034)]