21911604

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^2$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 60601632

約数和(自身を除く): 38690028

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 113, 132, 143, 156, 226, 286, 339, 429, 452, 572, 678, 858, 1243, 1356, 1469, 1716, 2486, 2938, 3729, 4407, 4972, 5876, 7458, 8814, 12769, 14916, 16159, 17628, 25538, 32318, 38307, 48477, 51076, 64636, 76614, 96954, 140459, 153228, 165997, 193908, 280918, 331994, 421377, 497991, 561836, 663988, 842754, 995982, 1685508, 1825967, 1991964, 3651934, 5477901, 7303868, 10955802, 21911604]

約数ペア:

[(1, 21911604), (2, 10955802), (3, 7303868), (4, 5477901), (6, 3651934), (11, 1991964), (12, 1825967), (13, 1685508), (22, 995982), (26, 842754), (33, 663988), (39, 561836), (44, 497991), (52, 421377), (66, 331994), (78, 280918), (113, 193908), (132, 165997), (143, 153228), (156, 140459), (226, 96954), (286, 76614), (339, 64636), (429, 51076), (452, 48477), (572, 38307), (678, 32318), (858, 25538), (1243, 17628), (1356, 16159), (1469, 14916), (1716, 12769), (2486, 8814), (2938, 7458), (3729, 5876), (4407, 4972)]