21262788

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{6089}}^1$

素因数の和:6196

約数の個数: 36

約数和(自身を含む): 54310620

約数和(自身を除く): 33047832

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 873, 1164, 1746, 3492, 6089, 12178, 18267, 24356, 36534, 54801, 73068, 109602, 219204, 590633, 1181266, 1771899, 2362532, 3543798, 5315697, 7087596, 10631394, 21262788]

約数ペア:

[(1, 21262788), (2, 10631394), (3, 7087596), (4, 5315697), (6, 3543798), (9, 2362532), (12, 1771899), (18, 1181266), (36, 590633), (97, 219204), (194, 109602), (291, 73068), (388, 54801), (582, 36534), (873, 24356), (1164, 18267), (1746, 12178), (3492, 6089)]