2021178708

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{4253}}^1$

素因数の和:4613

約数の個数: 72

約数和(自身を含む): 5246168928

約数和(自身を除く): 3224990220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 307, 387, 516, 614, 774, 921, 1228, 1548, 1842, 2763, 3684, 4253, 5526, 8506, 11052, 12759, 13201, 17012, 25518, 26402, 38277, 39603, 51036, 52804, 76554, 79206, 118809, 153108, 158412, 182879, 237618, 365758, 475236, 548637, 731516, 1097274, 1305671, 1645911, 2194548, 2611342, 3291822, 3917013, 5222684, 6583644, 7834026, 11751039, 15668052, 23502078, 47004156, 56143853, 112287706, 168431559, 224575412, 336863118, 505294677, 673726236, 1010589354, 2021178708]

約数ペア:

[(1, 2021178708), (2, 1010589354), (3, 673726236), (4, 505294677), (6, 336863118), (9, 224575412), (12, 168431559), (18, 112287706), (36, 56143853), (43, 47004156), (86, 23502078), (129, 15668052), (172, 11751039), (258, 7834026), (307, 6583644), (387, 5222684), (516, 3917013), (614, 3291822), (774, 2611342), (921, 2194548), (1228, 1645911), (1548, 1305671), (1842, 1097274), (2763, 731516), (3684, 548637), (4253, 475236), (5526, 365758), (8506, 237618), (11052, 182879), (12759, 158412), (13201, 153108), (17012, 118809), (25518, 79206), (26402, 76554), (38277, 52804), (39603, 51036)]