21496925565

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{534949}}^1$

素因数の和:535026

約数の個数: 48

約数和(自身を含む): 40057056000

約数和(自身を除く): 18560130435

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 423, 705, 855, 893, 2115, 2679, 4465, 8037, 13395, 40185, 534949, 1604847, 2674745, 4814541, 8024235, 10164031, 24072705, 25142603, 30492093, 50820155, 75427809, 91476279, 125713015, 152460465, 226283427, 377139045, 457381395, 477709457, 1131417135, 1433128371, 2388547285, 4299385113, 7165641855, 21496925565]

約数ペア:

[(1, 21496925565), (3, 7165641855), (5, 4299385113), (9, 2388547285), (15, 1433128371), (19, 1131417135), (45, 477709457), (47, 457381395), (57, 377139045), (95, 226283427), (141, 152460465), (171, 125713015), (235, 91476279), (285, 75427809), (423, 50820155), (705, 30492093), (855, 25142603), (893, 24072705), (2115, 10164031), (2679, 8024235), (4465, 4814541), (8037, 2674745), (13395, 1604847), (40185, 534949)]