21681888

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{11887}}^1$

素因数の和:11919

約数の個数: 48

約数和(自身を含む): 59915520

約数和(自身を除く): 38233632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 456, 608, 912, 1824, 11887, 23774, 35661, 47548, 71322, 95096, 142644, 190192, 225853, 285288, 380384, 451706, 570576, 677559, 903412, 1141152, 1355118, 1806824, 2710236, 3613648, 5420472, 7227296, 10840944, 21681888]

約数ペア:

[(1, 21681888), (2, 10840944), (3, 7227296), (4, 5420472), (6, 3613648), (8, 2710236), (12, 1806824), (16, 1355118), (19, 1141152), (24, 903412), (32, 677559), (38, 570576), (48, 451706), (57, 380384), (76, 285288), (96, 225853), (114, 190192), (152, 142644), (228, 95096), (304, 71322), (456, 47548), (608, 35661), (912, 23774), (1824, 11887)]