21796203

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 36400896

約数和(自身を除く): 14604693

約数列:

[1, 3, 11, 13, 23, 33, 39, 47, 69, 141, 143, 253, 299, 429, 517, 611, 759, 897, 1081, 1551, 1833, 2209, 3243, 3289, 6627, 6721, 9867, 11891, 14053, 20163, 24299, 28717, 35673, 42159, 50807, 72897, 86151, 152421, 154583, 315887, 463749, 558877, 660491, 947661, 1676631, 1981473, 7265401, 21796203]

約数ペア:

[(1, 21796203), (3, 7265401), (11, 1981473), (13, 1676631), (23, 947661), (33, 660491), (39, 558877), (47, 463749), (69, 315887), (141, 154583), (143, 152421), (253, 86151), (299, 72897), (429, 50807), (517, 42159), (611, 35673), (759, 28717), (897, 24299), (1081, 20163), (1551, 14053), (1833, 11891), (2209, 9867), (3243, 6721), (3289, 6627)]