21504432

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:250

約数の個数: 80

約数和(自身を含む): 57853440

約数和(自身を除く): 36349008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 79, 106, 107, 158, 159, 212, 214, 237, 316, 318, 321, 424, 428, 474, 632, 636, 642, 848, 856, 948, 1264, 1272, 1284, 1712, 1896, 2544, 2568, 3792, 4187, 5136, 5671, 8374, 8453, 11342, 12561, 16748, 16906, 17013, 22684, 25122, 25359, 33496, 33812, 34026, 45368, 50244, 50718, 66992, 67624, 68052, 90736, 100488, 101436, 135248, 136104, 200976, 202872, 272208, 405744, 448009, 896018, 1344027, 1792036, 2688054, 3584072, 5376108, 7168144, 10752216, 21504432]

約数ペア:

[(1, 21504432), (2, 10752216), (3, 7168144), (4, 5376108), (6, 3584072), (8, 2688054), (12, 1792036), (16, 1344027), (24, 896018), (48, 448009), (53, 405744), (79, 272208), (106, 202872), (107, 200976), (158, 136104), (159, 135248), (212, 101436), (214, 100488), (237, 90736), (316, 68052), (318, 67624), (321, 66992), (424, 50718), (428, 50244), (474, 45368), (632, 34026), (636, 33812), (642, 33496), (848, 25359), (856, 25122), (948, 22684), (1264, 17013), (1272, 16906), (1284, 16748), (1712, 12561), (1896, 11342), (2544, 8453), (2568, 8374), (3792, 5671), (4187, 5136)]