21066748556

素因数分解:

$2^2\times 7^4\times {\mathrm{181}}^1\times {\mathrm{12119}}^1$

素因数の和:12332

約数の個数: 60

約数和(自身を含む): 43249904880

約数和(自身を除く): 22183156324

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 181, 196, 343, 362, 686, 724, 1267, 1372, 2401, 2534, 4802, 5068, 8869, 9604, 12119, 17738, 24238, 35476, 48476, 62083, 84833, 124166, 169666, 248332, 339332, 434581, 593831, 869162, 1187662, 1738324, 2193539, 2375324, 4156817, 4387078, 8313634, 8774156, 15354773, 16627268, 29097719, 30709546, 58195438, 61419092, 107483411, 116390876, 214966822, 429933644, 752383877, 1504767754, 3009535508, 5266687139, 10533374278, 21066748556]

約数ペア:

[(1, 21066748556), (2, 10533374278), (4, 5266687139), (7, 3009535508), (14, 1504767754), (28, 752383877), (49, 429933644), (98, 214966822), (181, 116390876), (196, 107483411), (343, 61419092), (362, 58195438), (686, 30709546), (724, 29097719), (1267, 16627268), (1372, 15354773), (2401, 8774156), (2534, 8313634), (4802, 4387078), (5068, 4156817), (8869, 2375324), (9604, 2193539), (12119, 1738324), (17738, 1187662), (24238, 869162), (35476, 593831), (48476, 434581), (62083, 339332), (84833, 248332), (124166, 169666)]