21324868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 41341104

約数和(自身を除く): 20016236

約数列:

[1, 2, 4, 17, 34, 53, 61, 68, 97, 106, 122, 194, 212, 244, 388, 901, 1037, 1649, 1802, 2074, 3233, 3298, 3604, 4148, 5141, 5917, 6466, 6596, 10282, 11834, 12932, 20564, 23668, 54961, 87397, 100589, 109922, 174794, 201178, 219844, 313601, 349588, 402356, 627202, 1254404, 5331217, 10662434, 21324868]

約数ペア:

[(1, 21324868), (2, 10662434), (4, 5331217), (17, 1254404), (34, 627202), (53, 402356), (61, 349588), (68, 313601), (97, 219844), (106, 201178), (122, 174794), (194, 109922), (212, 100589), (244, 87397), (388, 54961), (901, 23668), (1037, 20564), (1649, 12932), (1802, 11834), (2074, 10282), (3233, 6596), (3298, 6466), (3604, 5917), (4148, 5141)]