21578657568

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{557761}}^1$

素因数の和:557818

約数の個数: 96

約数和(自身を含む): 62969098752

約数和(自身を除く): 41390441184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 78, 93, 96, 104, 124, 156, 186, 208, 248, 312, 372, 403, 416, 496, 624, 744, 806, 992, 1209, 1248, 1488, 1612, 2418, 2976, 3224, 4836, 6448, 9672, 12896, 19344, 38688, 557761, 1115522, 1673283, 2231044, 3346566, 4462088, 6693132, 7250893, 8924176, 13386264, 14501786, 17290591, 17848352, 21752679, 26772528, 29003572, 34581182, 43505358, 51871773, 53545056, 58007144, 69162364, 87010716, 103743546, 116014288, 138324728, 174021432, 207487092, 224777683, 232028576, 276649456, 348042864, 414974184, 449555366, 553298912, 674333049, 696085728, 829948368, 899110732, 1348666098, 1659896736, 1798221464, 2697332196, 3596442928, 5394664392, 7192885856, 10789328784, 21578657568]

約数ペア:

[(1, 21578657568), (2, 10789328784), (3, 7192885856), (4, 5394664392), (6, 3596442928), (8, 2697332196), (12, 1798221464), (13, 1659896736), (16, 1348666098), (24, 899110732), (26, 829948368), (31, 696085728), (32, 674333049), (39, 553298912), (48, 449555366), (52, 414974184), (62, 348042864), (78, 276649456), (93, 232028576), (96, 224777683), (104, 207487092), (124, 174021432), (156, 138324728), (186, 116014288), (208, 103743546), (248, 87010716), (312, 69162364), (372, 58007144), (403, 53545056), (416, 51871773), (496, 43505358), (624, 34581182), (744, 29003572), (806, 26772528), (992, 21752679), (1209, 17848352), (1248, 17290591), (1488, 14501786), (1612, 13386264), (2418, 8924176), (2976, 7250893), (3224, 6693132), (4836, 4462088), (6448, 3346566), (9672, 2231044), (12896, 1673283), (19344, 1115522), (38688, 557761)]