21281522590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{853}}^1\times {\mathrm{3413}}^1$

素因数の和:4333

約数の個数: 64

約数和(自身を含む): 41564166336

約数和(自身を除く): 20282643746

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 853, 1462, 1706, 3413, 3655, 4265, 6826, 7310, 8530, 14501, 17065, 29002, 34130, 36679, 58021, 72505, 73358, 116042, 145010, 146759, 183395, 290105, 293518, 366790, 580210, 623543, 733795, 1247086, 1467590, 2494903, 2911289, 3117715, 4989806, 5822578, 6235430, 12474515, 14556445, 24949030, 29112890, 49491913, 98983826, 125185427, 247459565, 250370854, 494919130, 625927135, 1251854270, 2128152259, 4256304518, 10640761295, 21281522590]

約数ペア:

[(1, 21281522590), (2, 10640761295), (5, 4256304518), (10, 2128152259), (17, 1251854270), (34, 625927135), (43, 494919130), (85, 250370854), (86, 247459565), (170, 125185427), (215, 98983826), (430, 49491913), (731, 29112890), (853, 24949030), (1462, 14556445), (1706, 12474515), (3413, 6235430), (3655, 5822578), (4265, 4989806), (6826, 3117715), (7310, 2911289), (8530, 2494903), (14501, 1467590), (17065, 1247086), (29002, 733795), (34130, 623543), (36679, 580210), (58021, 366790), (72505, 293518), (73358, 290105), (116042, 183395), (145010, 146759)]