21623679

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3467}}^1$

素因数の和:3497

約数の個数: 40

約数和(自身を含む): 40284288

約数和(自身を除く): 18660609

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 3467, 6237, 10401, 24269, 31203, 38137, 72807, 93609, 114411, 218421, 266959, 280827, 343233, 655263, 800877, 1029699, 1965789, 2402631, 3089097, 7207893, 21623679]

約数ペア:

[(1, 21623679), (3, 7207893), (7, 3089097), (9, 2402631), (11, 1965789), (21, 1029699), (27, 800877), (33, 655263), (63, 343233), (77, 280827), (81, 266959), (99, 218421), (189, 114411), (231, 93609), (297, 72807), (567, 38137), (693, 31203), (891, 24269), (2079, 10401), (3467, 6237)]