21910320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{30431}}^1$

素因数の和:30450

約数の個数: 60

約数和(自身を含む): 73584576

約数和(自身を除く): 51674256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 30431, 60862, 91293, 121724, 152155, 182586, 243448, 273879, 304310, 365172, 456465, 486896, 547758, 608620, 730344, 912930, 1095516, 1217240, 1369395, 1460688, 1825860, 2191032, 2434480, 2738790, 3651720, 4382064, 5477580, 7303440, 10955160, 21910320]

約数ペア:

[(1, 21910320), (2, 10955160), (3, 7303440), (4, 5477580), (5, 4382064), (6, 3651720), (8, 2738790), (9, 2434480), (10, 2191032), (12, 1825860), (15, 1460688), (16, 1369395), (18, 1217240), (20, 1095516), (24, 912930), (30, 730344), (36, 608620), (40, 547758), (45, 486896), (48, 456465), (60, 365172), (72, 304310), (80, 273879), (90, 243448), (120, 182586), (144, 152155), (180, 121724), (240, 91293), (360, 60862), (720, 30431)]