21102345

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 40435200

約数和(自身を除く): 19332855

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 89, 99, 165, 267, 445, 479, 495, 801, 979, 1335, 1437, 2395, 2937, 4005, 4311, 4895, 5269, 7185, 8811, 14685, 15807, 21555, 26345, 42631, 44055, 47421, 79035, 127893, 213155, 237105, 383679, 468941, 639465, 1406823, 1918395, 2344705, 4220469, 7034115, 21102345]

約数ペア:

[(1, 21102345), (3, 7034115), (5, 4220469), (9, 2344705), (11, 1918395), (15, 1406823), (33, 639465), (45, 468941), (55, 383679), (89, 237105), (99, 213155), (165, 127893), (267, 79035), (445, 47421), (479, 44055), (495, 42631), (801, 26345), (979, 21555), (1335, 15807), (1437, 14685), (2395, 8811), (2937, 7185), (4005, 5269), (4311, 4895)]