21898982

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{619}}^1$

素因数の和:673

約数の個数: 36

約数和(自身を含む): 40393620

約数和(自身を除く): 18494638

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 361, 619, 722, 931, 1238, 1862, 2527, 4333, 5054, 8666, 11761, 17689, 23522, 30331, 35378, 60662, 82327, 164654, 223459, 446918, 576289, 1152578, 1564213, 3128426, 10949491, 21898982]

約数ペア:

[(1, 21898982), (2, 10949491), (7, 3128426), (14, 1564213), (19, 1152578), (38, 576289), (49, 446918), (98, 223459), (133, 164654), (266, 82327), (361, 60662), (619, 35378), (722, 30331), (931, 23522), (1238, 17689), (1862, 11761), (2527, 8666), (4333, 5054)]