21955076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 45638208

約数和(自身を除く): 23683132

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 131, 143, 262, 286, 293, 524, 572, 586, 1172, 1441, 1703, 2882, 3223, 3406, 3809, 5764, 6446, 6812, 7618, 12892, 15236, 18733, 37466, 38383, 41899, 74932, 76766, 83798, 153532, 167596, 422213, 498979, 844426, 997958, 1688852, 1995916, 5488769, 10977538, 21955076]

約数ペア:

[(1, 21955076), (2, 10977538), (4, 5488769), (11, 1995916), (13, 1688852), (22, 997958), (26, 844426), (44, 498979), (52, 422213), (131, 167596), (143, 153532), (262, 83798), (286, 76766), (293, 74932), (524, 41899), (572, 38383), (586, 37466), (1172, 18733), (1441, 15236), (1703, 12892), (2882, 7618), (3223, 6812), (3406, 6446), (3809, 5764)]