21756384360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60434401}}^1$

素因数の和:60434418

約数の個数: 48

約数和(自身を含む): 70708250340

約数和(自身を除く): 48951865980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 60434401, 120868802, 181303203, 241737604, 302172005, 362606406, 483475208, 543909609, 604344010, 725212812, 906516015, 1087819218, 1208688020, 1450425624, 1813032030, 2175638436, 2417376040, 2719548045, 3626064060, 4351276872, 5439096090, 7252128120, 10878192180, 21756384360]

約数ペア:

[(1, 21756384360), (2, 10878192180), (3, 7252128120), (4, 5439096090), (5, 4351276872), (6, 3626064060), (8, 2719548045), (9, 2417376040), (10, 2175638436), (12, 1813032030), (15, 1450425624), (18, 1208688020), (20, 1087819218), (24, 906516015), (30, 725212812), (36, 604344010), (40, 543909609), (45, 483475208), (60, 362606406), (72, 302172005), (90, 241737604), (120, 181303203), (180, 120868802), (360, 60434401)]