21011848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18367}}^1$

素因数の和:18397

約数の個数: 32

約数和(自身を含む): 46287360

約数和(自身を除く): 25275512

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18367, 36734, 73468, 146936, 202037, 238771, 404074, 477542, 808148, 955084, 1616296, 1910168, 2626481, 5252962, 10505924, 21011848]

約数ペア:

[(1, 21011848), (2, 10505924), (4, 5252962), (8, 2626481), (11, 1910168), (13, 1616296), (22, 955084), (26, 808148), (44, 477542), (52, 404074), (88, 238771), (104, 202037), (143, 146936), (286, 73468), (572, 36734), (1144, 18367)]