21167704256

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{173}}^2\times {\mathrm{257}}^1$

素因数の和:658

約数の個数: 84

約数和(自身を含む): 43399615512

約数和(自身を除く): 22231911256

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 173, 257, 344, 346, 514, 688, 692, 1028, 1376, 1384, 2056, 2752, 2768, 4112, 5536, 7439, 8224, 11051, 11072, 14878, 16448, 22102, 29756, 29929, 44204, 44461, 59512, 59858, 88408, 88922, 119024, 119716, 176816, 177844, 238048, 239432, 353632, 355688, 476096, 478864, 707264, 711376, 957728, 1286947, 1422752, 1911823, 1915456, 2573894, 2845504, 3823646, 5147788, 7647292, 7691753, 10295576, 15294584, 15383506, 20591152, 30589168, 30767012, 41182304, 61178336, 61534024, 82364608, 122356672, 123068048, 246136096, 330745379, 492272192, 661490758, 1322981516, 2645963032, 5291926064, 10583852128, 21167704256]

約数ペア:

[(1, 21167704256), (2, 10583852128), (4, 5291926064), (8, 2645963032), (16, 1322981516), (32, 661490758), (43, 492272192), (64, 330745379), (86, 246136096), (172, 123068048), (173, 122356672), (257, 82364608), (344, 61534024), (346, 61178336), (514, 41182304), (688, 30767012), (692, 30589168), (1028, 20591152), (1376, 15383506), (1384, 15294584), (2056, 10295576), (2752, 7691753), (2768, 7647292), (4112, 5147788), (5536, 3823646), (7439, 2845504), (8224, 2573894), (11051, 1915456), (11072, 1911823), (14878, 1422752), (16448, 1286947), (22102, 957728), (29756, 711376), (29929, 707264), (44204, 478864), (44461, 476096), (59512, 355688), (59858, 353632), (88408, 239432), (88922, 238048), (119024, 177844), (119716, 176816)]