21555296

素因数分解:

$2^5\times 7^2\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:316

約数の個数: 72

約数和(自身を含む): 50417640

約数和(自身を除く): 28862344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 59, 98, 112, 118, 196, 224, 233, 236, 392, 413, 466, 472, 784, 826, 932, 944, 1568, 1631, 1652, 1864, 1888, 2891, 3262, 3304, 3728, 5782, 6524, 6608, 7456, 11417, 11564, 13048, 13216, 13747, 22834, 23128, 26096, 27494, 45668, 46256, 52192, 54988, 91336, 92512, 96229, 109976, 182672, 192458, 219952, 365344, 384916, 439904, 673603, 769832, 1347206, 1539664, 2694412, 3079328, 5388824, 10777648, 21555296]

約数ペア:

[(1, 21555296), (2, 10777648), (4, 5388824), (7, 3079328), (8, 2694412), (14, 1539664), (16, 1347206), (28, 769832), (32, 673603), (49, 439904), (56, 384916), (59, 365344), (98, 219952), (112, 192458), (118, 182672), (196, 109976), (224, 96229), (233, 92512), (236, 91336), (392, 54988), (413, 52192), (466, 46256), (472, 45668), (784, 27494), (826, 26096), (932, 23128), (944, 22834), (1568, 13747), (1631, 13216), (1652, 13048), (1864, 11564), (1888, 11417), (2891, 7456), (3262, 6608), (3304, 6524), (3728, 5782)]