21342621274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1\times {\mathrm{853}}^1$

素因数の和:1775

約数の個数: 64

約数和(自身を含む): 36637009920

約数和(自身を除く): 15294388646

約数列:

[1, 2, 13, 26, 31, 37, 62, 74, 403, 481, 806, 839, 853, 962, 1147, 1678, 1706, 2294, 10907, 11089, 14911, 21814, 22178, 26009, 26443, 29822, 31043, 31561, 52018, 52886, 62086, 63122, 338117, 343759, 403559, 410293, 676234, 687518, 715667, 807118, 820586, 962333, 978391, 1431334, 1924666, 1956782, 9303671, 12510329, 12719083, 18607342, 22185677, 25020658, 25438166, 26479679, 44371354, 52959358, 288413801, 344235827, 576827602, 688471654, 820870049, 1641740098, 10671310637, 21342621274]

約数ペア:

[(1, 21342621274), (2, 10671310637), (13, 1641740098), (26, 820870049), (31, 688471654), (37, 576827602), (62, 344235827), (74, 288413801), (403, 52959358), (481, 44371354), (806, 26479679), (839, 25438166), (853, 25020658), (962, 22185677), (1147, 18607342), (1678, 12719083), (1706, 12510329), (2294, 9303671), (10907, 1956782), (11089, 1924666), (14911, 1431334), (21814, 978391), (22178, 962333), (26009, 820586), (26443, 807118), (29822, 715667), (31043, 687518), (31561, 676234), (52018, 410293), (52886, 403559), (62086, 343759), (63122, 338117)]