21699840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5651}}^1$

素因数の和:5675

約数の個数: 72

約数和(自身を含む): 69316128

約数和(自身を除く): 47616288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 5651, 11302, 16953, 22604, 28255, 33906, 45208, 56510, 67812, 84765, 90416, 113020, 135624, 169530, 180832, 226040, 271248, 339060, 361664, 452080, 542496, 678120, 723328, 904160, 1084992, 1356240, 1446656, 1808320, 2169984, 2712480, 3616640, 4339968, 5424960, 7233280, 10849920, 21699840]

約数ペア:

[(1, 21699840), (2, 10849920), (3, 7233280), (4, 5424960), (5, 4339968), (6, 3616640), (8, 2712480), (10, 2169984), (12, 1808320), (15, 1446656), (16, 1356240), (20, 1084992), (24, 904160), (30, 723328), (32, 678120), (40, 542496), (48, 452080), (60, 361664), (64, 339060), (80, 271248), (96, 226040), (120, 180832), (128, 169530), (160, 135624), (192, 113020), (240, 90416), (256, 84765), (320, 67812), (384, 56510), (480, 45208), (640, 33906), (768, 28255), (960, 22604), (1280, 16953), (1920, 11302), (3840, 5651)]