21856932

素因数分解:

$2^2\times 3^3\times {\mathrm{439}}^1\times {\mathrm{461}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 56918400

約数和(自身を除く): 35061468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 439, 461, 878, 922, 1317, 1383, 1756, 1844, 2634, 2766, 3951, 4149, 5268, 5532, 7902, 8298, 11853, 12447, 15804, 16596, 23706, 24894, 47412, 49788, 202379, 404758, 607137, 809516, 1214274, 1821411, 2428548, 3642822, 5464233, 7285644, 10928466, 21856932]

約数ペア:

[(1, 21856932), (2, 10928466), (3, 7285644), (4, 5464233), (6, 3642822), (9, 2428548), (12, 1821411), (18, 1214274), (27, 809516), (36, 607137), (54, 404758), (108, 202379), (439, 49788), (461, 47412), (878, 24894), (922, 23706), (1317, 16596), (1383, 15804), (1756, 12447), (1844, 11853), (2634, 8298), (2766, 7902), (3951, 5532), (4149, 5268)]