21338760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177823}}^1$

素因数の和:177837

約数の個数: 32

約数和(自身を含む): 64016640

約数和(自身を除く): 42677880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177823, 355646, 533469, 711292, 889115, 1066938, 1422584, 1778230, 2133876, 2667345, 3556460, 4267752, 5334690, 7112920, 10669380, 21338760]

約数ペア:

[(1, 21338760), (2, 10669380), (3, 7112920), (4, 5334690), (5, 4267752), (6, 3556460), (8, 2667345), (10, 2133876), (12, 1778230), (15, 1422584), (20, 1066938), (24, 889115), (30, 711292), (40, 533469), (60, 355646), (120, 177823)]