21295846

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3919}}^1$

素因数の和:3964

約数の個数: 32

約数和(自身を含む): 39513600

約数和(自身を除く): 18217754

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 3919, 5434, 7838, 43109, 50947, 74461, 86218, 101894, 148922, 560417, 819071, 967993, 1120834, 1638142, 1935986, 10647923, 21295846]

約数ペア:

[(1, 21295846), (2, 10647923), (11, 1935986), (13, 1638142), (19, 1120834), (22, 967993), (26, 819071), (38, 560417), (143, 148922), (209, 101894), (247, 86218), (286, 74461), (418, 50947), (494, 43109), (2717, 7838), (3919, 5434)]