21326474

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1877}}^1$

素因数の和:1934

約数の個数: 32

約数和(自身を含む): 37860480

約数和(自身を除く): 16534006

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 247, 299, 437, 494, 598, 874, 1877, 3754, 5681, 11362, 24401, 35663, 43171, 48802, 71326, 86342, 463619, 561223, 820249, 927238, 1122446, 1640498, 10663237, 21326474]

約数ペア:

[(1, 21326474), (2, 10663237), (13, 1640498), (19, 1122446), (23, 927238), (26, 820249), (38, 561223), (46, 463619), (247, 86342), (299, 71326), (437, 48802), (494, 43171), (598, 35663), (874, 24401), (1877, 11362), (3754, 5681)]