21024420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 62536320

約数和(自身を除く): 41511900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 43, 58, 60, 86, 87, 116, 129, 145, 172, 174, 215, 258, 281, 290, 348, 430, 435, 516, 562, 580, 645, 843, 860, 870, 1124, 1247, 1290, 1405, 1686, 1740, 2494, 2580, 2810, 3372, 3741, 4215, 4988, 5620, 6235, 7482, 8149, 8430, 12083, 12470, 14964, 16298, 16860, 18705, 24166, 24447, 24940, 32596, 36249, 37410, 40745, 48332, 48894, 60415, 72498, 74820, 81490, 97788, 120830, 122235, 144996, 162980, 181245, 241660, 244470, 350407, 362490, 488940, 700814, 724980, 1051221, 1401628, 1752035, 2102442, 3504070, 4204884, 5256105, 7008140, 10512210, 21024420]

約数ペア:

[(1, 21024420), (2, 10512210), (3, 7008140), (4, 5256105), (5, 4204884), (6, 3504070), (10, 2102442), (12, 1752035), (15, 1401628), (20, 1051221), (29, 724980), (30, 700814), (43, 488940), (58, 362490), (60, 350407), (86, 244470), (87, 241660), (116, 181245), (129, 162980), (145, 144996), (172, 122235), (174, 120830), (215, 97788), (258, 81490), (281, 74820), (290, 72498), (348, 60415), (430, 48894), (435, 48332), (516, 40745), (562, 37410), (580, 36249), (645, 32596), (843, 24940), (860, 24447), (870, 24166), (1124, 18705), (1247, 16860), (1290, 16298), (1405, 14964), (1686, 12470), (1740, 12083), (2494, 8430), (2580, 8149), (2810, 7482), (3372, 6235), (3741, 5620), (4215, 4988)]