21270384

素因数分解:

$2^4\times 3^3\times {\mathrm{53}}^1\times {\mathrm{929}}^1$

素因数の和:999

約数の個数: 80

約数和(自身を含む): 62272800

約数和(自身を除く): 41002416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 53, 54, 72, 106, 108, 144, 159, 212, 216, 318, 424, 432, 477, 636, 848, 929, 954, 1272, 1431, 1858, 1908, 2544, 2787, 2862, 3716, 3816, 5574, 5724, 7432, 7632, 8361, 11148, 11448, 14864, 16722, 22296, 22896, 25083, 33444, 44592, 49237, 50166, 66888, 98474, 100332, 133776, 147711, 196948, 200664, 295422, 393896, 401328, 443133, 590844, 787792, 886266, 1181688, 1329399, 1772532, 2363376, 2658798, 3545064, 5317596, 7090128, 10635192, 21270384]

約数ペア:

[(1, 21270384), (2, 10635192), (3, 7090128), (4, 5317596), (6, 3545064), (8, 2658798), (9, 2363376), (12, 1772532), (16, 1329399), (18, 1181688), (24, 886266), (27, 787792), (36, 590844), (48, 443133), (53, 401328), (54, 393896), (72, 295422), (106, 200664), (108, 196948), (144, 147711), (159, 133776), (212, 100332), (216, 98474), (318, 66888), (424, 50166), (432, 49237), (477, 44592), (636, 33444), (848, 25083), (929, 22896), (954, 22296), (1272, 16722), (1431, 14864), (1858, 11448), (1908, 11148), (2544, 8361), (2787, 7632), (2862, 7432), (3716, 5724), (3816, 5574)]