21563584

素因数分解:

$2^6\times 7^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:525

約数の個数: 56

約数和(自身を含む): 49418240

約数和(自身を除く): 27854656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 224, 254, 379, 448, 508, 758, 889, 1016, 1516, 1778, 2032, 2653, 3032, 3556, 4064, 5306, 6064, 7112, 8128, 10612, 12128, 14224, 21224, 24256, 28448, 42448, 48133, 56896, 84896, 96266, 169792, 192532, 336931, 385064, 673862, 770128, 1347724, 1540256, 2695448, 3080512, 5390896, 10781792, 21563584]

約数ペア:

[(1, 21563584), (2, 10781792), (4, 5390896), (7, 3080512), (8, 2695448), (14, 1540256), (16, 1347724), (28, 770128), (32, 673862), (56, 385064), (64, 336931), (112, 192532), (127, 169792), (224, 96266), (254, 84896), (379, 56896), (448, 48133), (508, 42448), (758, 28448), (889, 24256), (1016, 21224), (1516, 14224), (1778, 12128), (2032, 10612), (2653, 8128), (3032, 7112), (3556, 6064), (4064, 5306)]