21816594864

素因数分解:

$2^4\times 3^3\times {\mathrm{71}}^1\times {\mathrm{711287}}^1$

素因数の和:711375

約数の個数: 80

約数和(自身を含む): 63503792640

約数和(自身を除く): 41687197776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 71, 72, 108, 142, 144, 213, 216, 284, 426, 432, 568, 639, 852, 1136, 1278, 1704, 1917, 2556, 3408, 3834, 5112, 7668, 10224, 15336, 30672, 711287, 1422574, 2133861, 2845148, 4267722, 5690296, 6401583, 8535444, 11380592, 12803166, 17070888, 19204749, 25606332, 34141776, 38409498, 50501377, 51212664, 76818996, 101002754, 102425328, 151504131, 153637992, 202005508, 303008262, 307275984, 404011016, 454512393, 606016524, 808022032, 909024786, 1212033048, 1363537179, 1818049572, 2424066096, 2727074358, 3636099144, 5454148716, 7272198288, 10908297432, 21816594864]

約数ペア:

[(1, 21816594864), (2, 10908297432), (3, 7272198288), (4, 5454148716), (6, 3636099144), (8, 2727074358), (9, 2424066096), (12, 1818049572), (16, 1363537179), (18, 1212033048), (24, 909024786), (27, 808022032), (36, 606016524), (48, 454512393), (54, 404011016), (71, 307275984), (72, 303008262), (108, 202005508), (142, 153637992), (144, 151504131), (213, 102425328), (216, 101002754), (284, 76818996), (426, 51212664), (432, 50501377), (568, 38409498), (639, 34141776), (852, 25606332), (1136, 19204749), (1278, 17070888), (1704, 12803166), (1917, 11380592), (2556, 8535444), (3408, 6401583), (3834, 5690296), (5112, 4267722), (7668, 2845148), (10224, 2133861), (15336, 1422574), (30672, 711287)]