21448920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3803}}^1$

素因数の和:3864

約数の個数: 64

約数和(自身を含む): 65733120

約数和(自身を除く): 44284200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3803, 5640, 7606, 11409, 15212, 19015, 22818, 30424, 38030, 45636, 57045, 76060, 91272, 114090, 152120, 178741, 228180, 357482, 456360, 536223, 714964, 893705, 1072446, 1429928, 1787410, 2144892, 2681115, 3574820, 4289784, 5362230, 7149640, 10724460, 21448920]

約数ペア:

[(1, 21448920), (2, 10724460), (3, 7149640), (4, 5362230), (5, 4289784), (6, 3574820), (8, 2681115), (10, 2144892), (12, 1787410), (15, 1429928), (20, 1072446), (24, 893705), (30, 714964), (40, 536223), (47, 456360), (60, 357482), (94, 228180), (120, 178741), (141, 152120), (188, 114090), (235, 91272), (282, 76060), (376, 57045), (470, 45636), (564, 38030), (705, 30424), (940, 22818), (1128, 19015), (1410, 15212), (1880, 11409), (2820, 7606), (3803, 5640)]