21074952

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 56088000

約数和(自身を除く): 35013048

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 113, 114, 152, 226, 228, 339, 409, 452, 456, 678, 818, 904, 1227, 1356, 1636, 2147, 2454, 2712, 3272, 4294, 4908, 6441, 7771, 8588, 9816, 12882, 15542, 17176, 23313, 25764, 31084, 46217, 46626, 51528, 62168, 92434, 93252, 138651, 184868, 186504, 277302, 369736, 554604, 878123, 1109208, 1756246, 2634369, 3512492, 5268738, 7024984, 10537476, 21074952]

約数ペア:

[(1, 21074952), (2, 10537476), (3, 7024984), (4, 5268738), (6, 3512492), (8, 2634369), (12, 1756246), (19, 1109208), (24, 878123), (38, 554604), (57, 369736), (76, 277302), (113, 186504), (114, 184868), (152, 138651), (226, 93252), (228, 92434), (339, 62168), (409, 51528), (452, 46626), (456, 46217), (678, 31084), (818, 25764), (904, 23313), (1227, 17176), (1356, 15542), (1636, 12882), (2147, 9816), (2454, 8588), (2712, 7771), (3272, 6441), (4294, 4908)]