21980574

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15859}}^1$

素因数の和:15885

約数の個数: 48

約数和(自身を含む): 59379840

約数和(自身を除く): 37399266

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15859, 31718, 47577, 95154, 111013, 142731, 174449, 222026, 285462, 333039, 348898, 523347, 666078, 999117, 1046694, 1221143, 1570041, 1998234, 2442286, 3140082, 3663429, 7326858, 10990287, 21980574]

約数ペア:

[(1, 21980574), (2, 10990287), (3, 7326858), (6, 3663429), (7, 3140082), (9, 2442286), (11, 1998234), (14, 1570041), (18, 1221143), (21, 1046694), (22, 999117), (33, 666078), (42, 523347), (63, 348898), (66, 333039), (77, 285462), (99, 222026), (126, 174449), (154, 142731), (198, 111013), (231, 95154), (462, 47577), (693, 31718), (1386, 15859)]