21067248

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 56960640

約数和(自身を除く): 35893392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 59, 86, 118, 129, 172, 173, 177, 236, 258, 344, 346, 354, 472, 516, 519, 688, 692, 708, 944, 1032, 1038, 1384, 1416, 2064, 2076, 2537, 2768, 2832, 4152, 5074, 7439, 7611, 8304, 10148, 10207, 14878, 15222, 20296, 20414, 22317, 29756, 30444, 30621, 40592, 40828, 44634, 59512, 60888, 61242, 81656, 89268, 119024, 121776, 122484, 163312, 178536, 244968, 357072, 438901, 489936, 877802, 1316703, 1755604, 2633406, 3511208, 5266812, 7022416, 10533624, 21067248]

約数ペア:

[(1, 21067248), (2, 10533624), (3, 7022416), (4, 5266812), (6, 3511208), (8, 2633406), (12, 1755604), (16, 1316703), (24, 877802), (43, 489936), (48, 438901), (59, 357072), (86, 244968), (118, 178536), (129, 163312), (172, 122484), (173, 121776), (177, 119024), (236, 89268), (258, 81656), (344, 61242), (346, 60888), (354, 59512), (472, 44634), (516, 40828), (519, 40592), (688, 30621), (692, 30444), (708, 29756), (944, 22317), (1032, 20414), (1038, 20296), (1384, 15222), (1416, 14878), (2064, 10207), (2076, 10148), (2537, 8304), (2768, 7611), (2832, 7439), (4152, 5074)]