21995790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:146

約数の個数: 96

約数和(自身を含む): 58354560

約数和(自身を除く): 36358770

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 43, 51, 59, 85, 86, 102, 118, 129, 170, 177, 215, 255, 258, 289, 295, 354, 430, 510, 578, 590, 645, 731, 867, 885, 1003, 1290, 1445, 1462, 1734, 1770, 2006, 2193, 2537, 2890, 3009, 3655, 4335, 4386, 5015, 5074, 6018, 7310, 7611, 8670, 10030, 10965, 12427, 12685, 15045, 15222, 17051, 21930, 24854, 25370, 30090, 34102, 37281, 38055, 43129, 51153, 62135, 74562, 76110, 85255, 86258, 102306, 124270, 129387, 170510, 186405, 215645, 255765, 258774, 372810, 431290, 511530, 646935, 733193, 1293870, 1466386, 2199579, 3665965, 4399158, 7331930, 10997895, 21995790]

約数ペア:

[(1, 21995790), (2, 10997895), (3, 7331930), (5, 4399158), (6, 3665965), (10, 2199579), (15, 1466386), (17, 1293870), (30, 733193), (34, 646935), (43, 511530), (51, 431290), (59, 372810), (85, 258774), (86, 255765), (102, 215645), (118, 186405), (129, 170510), (170, 129387), (177, 124270), (215, 102306), (255, 86258), (258, 85255), (289, 76110), (295, 74562), (354, 62135), (430, 51153), (510, 43129), (578, 38055), (590, 37281), (645, 34102), (731, 30090), (867, 25370), (885, 24854), (1003, 21930), (1290, 17051), (1445, 15222), (1462, 15045), (1734, 12685), (1770, 12427), (2006, 10965), (2193, 10030), (2537, 8670), (2890, 7611), (3009, 7310), (3655, 6018), (4335, 5074), (4386, 5015)]