21086052

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7951}}^1$

素因数の和:7988

約数の個数: 48

約数和(自身を含む): 56109312

約数和(自身を除く): 35023260

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7951, 15902, 23853, 31804, 47706, 95412, 103363, 135167, 206726, 270334, 310089, 405501, 413452, 540668, 620178, 811002, 1240356, 1622004, 1757171, 3514342, 5271513, 7028684, 10543026, 21086052]

約数ペア:

[(1, 21086052), (2, 10543026), (3, 7028684), (4, 5271513), (6, 3514342), (12, 1757171), (13, 1622004), (17, 1240356), (26, 811002), (34, 620178), (39, 540668), (51, 413452), (52, 405501), (68, 310089), (78, 270334), (102, 206726), (156, 135167), (204, 103363), (221, 95412), (442, 47706), (663, 31804), (884, 23853), (1326, 15902), (2652, 7951)]