21073822

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 40703472

約数和(自身を除く): 19629650

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 113, 154, 173, 226, 346, 539, 791, 1078, 1211, 1243, 1582, 1903, 2422, 2486, 3806, 5537, 8477, 8701, 11074, 13321, 16954, 17402, 19549, 26642, 39098, 60907, 93247, 121814, 136843, 186494, 215039, 273686, 430078, 957901, 1505273, 1915802, 3010546, 10536911, 21073822]

約数ペア:

[(1, 21073822), (2, 10536911), (7, 3010546), (11, 1915802), (14, 1505273), (22, 957901), (49, 430078), (77, 273686), (98, 215039), (113, 186494), (154, 136843), (173, 121814), (226, 93247), (346, 60907), (539, 39098), (791, 26642), (1078, 19549), (1211, 17402), (1243, 16954), (1582, 13321), (1903, 11074), (2422, 8701), (2486, 8477), (3806, 5537)]