21521065664

素因数分解:

$2^6\times 7^1\times {\mathrm{131}}^1\times {\mathrm{366703}}^1$

素因数の和:366853

約数の個数: 56

約数和(自身を含む): 49179406848

約数和(自身を除く): 27658341184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 131, 224, 262, 448, 524, 917, 1048, 1834, 2096, 3668, 4192, 7336, 8384, 14672, 29344, 58688, 366703, 733406, 1466812, 2566921, 2933624, 5133842, 5867248, 10267684, 11734496, 20535368, 23468992, 41070736, 48038093, 82141472, 96076186, 164282944, 192152372, 336266651, 384304744, 672533302, 768609488, 1345066604, 1537218976, 2690133208, 3074437952, 5380266416, 10760532832, 21521065664]

約数ペア:

[(1, 21521065664), (2, 10760532832), (4, 5380266416), (7, 3074437952), (8, 2690133208), (14, 1537218976), (16, 1345066604), (28, 768609488), (32, 672533302), (56, 384304744), (64, 336266651), (112, 192152372), (131, 164282944), (224, 96076186), (262, 82141472), (448, 48038093), (524, 41070736), (917, 23468992), (1048, 20535368), (1834, 11734496), (2096, 10267684), (3668, 5867248), (4192, 5133842), (7336, 2933624), (8384, 2566921), (14672, 1466812), (29344, 733406), (58688, 366703)]