21957329264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3405293}}^1$

素因数の和:3405345

約数の個数: 40

約数和(自身を含む): 47292723072

約数和(自身を除く): 25335393808

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 3405293, 6810586, 13621172, 27242344, 44268809, 54484688, 88537618, 105564083, 177075236, 211128166, 354150472, 422256332, 708300944, 844512664, 1372333079, 1689025328, 2744666158, 5489332316, 10978664632, 21957329264]

約数ペア:

[(1, 21957329264), (2, 10978664632), (4, 5489332316), (8, 2744666158), (13, 1689025328), (16, 1372333079), (26, 844512664), (31, 708300944), (52, 422256332), (62, 354150472), (104, 211128166), (124, 177075236), (208, 105564083), (248, 88537618), (403, 54484688), (496, 44268809), (806, 27242344), (1612, 13621172), (3224, 6810586), (6448, 3405293)]