21342378

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2351}}^1$

素因数の和:2462

約数の個数: 32

約数和(自身を含む): 45722880

約数和(自身を除く): 24380502

約数列:

[1, 2, 3, 6, 17, 34, 51, 89, 102, 178, 267, 534, 1513, 2351, 3026, 4539, 4702, 7053, 9078, 14106, 39967, 79934, 119901, 209239, 239802, 418478, 627717, 1255434, 3557063, 7114126, 10671189, 21342378]

約数ペア:

[(1, 21342378), (2, 10671189), (3, 7114126), (6, 3557063), (17, 1255434), (34, 627717), (51, 418478), (89, 239802), (102, 209239), (178, 119901), (267, 79934), (534, 39967), (1513, 14106), (2351, 9078), (3026, 7053), (4539, 4702)]