21578542

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 14502098

約数列:

[1, 2, 17, 31, 34, 59, 62, 118, 347, 527, 694, 1003, 1054, 1829, 2006, 3658, 5899, 10757, 11798, 20473, 21514, 31093, 40946, 62186, 182869, 348041, 365738, 634663, 696082, 1269326, 10789271, 21578542]

約数ペア:

[(1, 21578542), (2, 10789271), (17, 1269326), (31, 696082), (34, 634663), (59, 365738), (62, 348041), (118, 182869), (347, 62186), (527, 40946), (694, 31093), (1003, 21514), (1054, 20473), (1829, 11798), (2006, 10757), (3658, 5899)]