21194352

素因数分解:

$2^4\times 3^3\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:779

約数の個数: 80

約数和(自身を含む): 61781760

約数和(自身を除く): 40587408

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, 691, 852, 1136, 1278, 1382, 1704, 1917, 2073, 2556, 2764, 3408, 3834, 4146, 5112, 5528, 6219, 7668, 8292, 10224, 11056, 12438, 15336, 16584, 18657, 24876, 30672, 33168, 37314, 49061, 49752, 74628, 98122, 99504, 147183, 149256, 196244, 294366, 298512, 392488, 441549, 588732, 784976, 883098, 1177464, 1324647, 1766196, 2354928, 2649294, 3532392, 5298588, 7064784, 10597176, 21194352]

約数ペア:

[(1, 21194352), (2, 10597176), (3, 7064784), (4, 5298588), (6, 3532392), (8, 2649294), (9, 2354928), (12, 1766196), (16, 1324647), (18, 1177464), (24, 883098), (27, 784976), (36, 588732), (48, 441549), (54, 392488), (71, 298512), (72, 294366), (108, 196244), (142, 149256), (144, 147183), (213, 99504), (216, 98122), (284, 74628), (426, 49752), (432, 49061), (568, 37314), (639, 33168), (691, 30672), (852, 24876), (1136, 18657), (1278, 16584), (1382, 15336), (1704, 12438), (1917, 11056), (2073, 10224), (2556, 8292), (2764, 7668), (3408, 6219), (3834, 5528), (4146, 5112)]