21525822

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{557}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 49617360

約数和(自身を除く): 28091538

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 113, 114, 171, 226, 339, 342, 557, 678, 1017, 1114, 1671, 2034, 2147, 3342, 4294, 5013, 6441, 10026, 10583, 12882, 19323, 21166, 31749, 38646, 62941, 63498, 95247, 125882, 188823, 190494, 377646, 566469, 1132938, 1195879, 2391758, 3587637, 7175274, 10762911, 21525822]

約数ペア:

[(1, 21525822), (2, 10762911), (3, 7175274), (6, 3587637), (9, 2391758), (18, 1195879), (19, 1132938), (38, 566469), (57, 377646), (113, 190494), (114, 188823), (171, 125882), (226, 95247), (339, 63498), (342, 62941), (557, 38646), (678, 31749), (1017, 21166), (1114, 19323), (1671, 12882), (2034, 10583), (2147, 10026), (3342, 6441), (4294, 5013)]