21627584

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1045

約数の個数: 56

約数和(自身を含む): 48377856

約数和(自身を除く): 26750272

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 176, 248, 341, 352, 496, 682, 704, 991, 992, 1364, 1982, 1984, 2728, 3964, 5456, 7928, 10901, 10912, 15856, 21802, 21824, 30721, 31712, 43604, 61442, 63424, 87208, 122884, 174416, 245768, 337931, 348832, 491536, 675862, 697664, 983072, 1351724, 1966144, 2703448, 5406896, 10813792, 21627584]

約数ペア:

[(1, 21627584), (2, 10813792), (4, 5406896), (8, 2703448), (11, 1966144), (16, 1351724), (22, 983072), (31, 697664), (32, 675862), (44, 491536), (62, 348832), (64, 337931), (88, 245768), (124, 174416), (176, 122884), (248, 87208), (341, 63424), (352, 61442), (496, 43604), (682, 31712), (704, 30721), (991, 21824), (992, 21802), (1364, 15856), (1982, 10912), (1984, 10901), (2728, 7928), (3964, 5456)]