21085416

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 63273600

約数和(自身を除く): 42188184

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 79, 88, 99, 132, 158, 198, 237, 264, 316, 337, 396, 474, 632, 674, 711, 792, 869, 948, 1011, 1348, 1422, 1738, 1896, 2022, 2607, 2696, 2844, 3033, 3476, 3707, 4044, 5214, 5688, 6066, 6952, 7414, 7821, 8088, 10428, 11121, 12132, 14828, 15642, 20856, 22242, 24264, 26623, 29656, 31284, 33363, 44484, 53246, 62568, 66726, 79869, 88968, 106492, 133452, 159738, 212984, 239607, 266904, 292853, 319476, 479214, 585706, 638952, 878559, 958428, 1171412, 1757118, 1916856, 2342824, 2635677, 3514236, 5271354, 7028472, 10542708, 21085416]

約数ペア:

[(1, 21085416), (2, 10542708), (3, 7028472), (4, 5271354), (6, 3514236), (8, 2635677), (9, 2342824), (11, 1916856), (12, 1757118), (18, 1171412), (22, 958428), (24, 878559), (33, 638952), (36, 585706), (44, 479214), (66, 319476), (72, 292853), (79, 266904), (88, 239607), (99, 212984), (132, 159738), (158, 133452), (198, 106492), (237, 88968), (264, 79869), (316, 66726), (337, 62568), (396, 53246), (474, 44484), (632, 33363), (674, 31284), (711, 29656), (792, 26623), (869, 24264), (948, 22242), (1011, 20856), (1348, 15642), (1422, 14828), (1738, 12132), (1896, 11121), (2022, 10428), (2607, 8088), (2696, 7821), (2844, 7414), (3033, 6952), (3476, 6066), (3707, 5688), (4044, 5214)]