21902688

素因数分解:

$2^5\times 3^2\times {\mathrm{59}}^1\times {\mathrm{1289}}^1$

素因数の和:1364

約数の個数: 72

約数和(自身を含む): 63390600

約数和(自身を除く): 41487912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 72, 96, 118, 144, 177, 236, 288, 354, 472, 531, 708, 944, 1062, 1289, 1416, 1888, 2124, 2578, 2832, 3867, 4248, 5156, 5664, 7734, 8496, 10312, 11601, 15468, 16992, 20624, 23202, 30936, 41248, 46404, 61872, 76051, 92808, 123744, 152102, 185616, 228153, 304204, 371232, 456306, 608408, 684459, 912612, 1216816, 1368918, 1825224, 2433632, 2737836, 3650448, 5475672, 7300896, 10951344, 21902688]

約数ペア:

[(1, 21902688), (2, 10951344), (3, 7300896), (4, 5475672), (6, 3650448), (8, 2737836), (9, 2433632), (12, 1825224), (16, 1368918), (18, 1216816), (24, 912612), (32, 684459), (36, 608408), (48, 456306), (59, 371232), (72, 304204), (96, 228153), (118, 185616), (144, 152102), (177, 123744), (236, 92808), (288, 76051), (354, 61872), (472, 46404), (531, 41248), (708, 30936), (944, 23202), (1062, 20624), (1289, 16992), (1416, 15468), (1888, 11601), (2124, 10312), (2578, 8496), (2832, 7734), (3867, 5664), (4248, 5156)]