21995892

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 59544576

約数和(自身を除く): 37548684

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 127, 153, 204, 254, 283, 306, 381, 508, 566, 612, 762, 849, 1132, 1143, 1524, 1698, 2159, 2286, 2547, 3396, 4318, 4572, 4811, 5094, 6477, 8636, 9622, 10188, 12954, 14433, 19244, 19431, 25908, 28866, 35941, 38862, 43299, 57732, 71882, 77724, 86598, 107823, 143764, 173196, 215646, 323469, 431292, 610997, 646938, 1221994, 1293876, 1832991, 2443988, 3665982, 5498973, 7331964, 10997946, 21995892]

約数ペア:

[(1, 21995892), (2, 10997946), (3, 7331964), (4, 5498973), (6, 3665982), (9, 2443988), (12, 1832991), (17, 1293876), (18, 1221994), (34, 646938), (36, 610997), (51, 431292), (68, 323469), (102, 215646), (127, 173196), (153, 143764), (204, 107823), (254, 86598), (283, 77724), (306, 71882), (381, 57732), (508, 43299), (566, 38862), (612, 35941), (762, 28866), (849, 25908), (1132, 19431), (1143, 19244), (1524, 14433), (1698, 12954), (2159, 10188), (2286, 9622), (2547, 8636), (3396, 6477), (4318, 5094), (4572, 4811)]