21088099818

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{221509}}^1$

素因数の和:221604

約数の個数: 64

約数和(自身を含む): 49122057600

約数和(自身を除く): 28033957782

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 43, 54, 82, 86, 123, 129, 246, 258, 369, 387, 738, 774, 1107, 1161, 1763, 2214, 2322, 3526, 5289, 10578, 15867, 31734, 47601, 95202, 221509, 443018, 664527, 1329054, 1993581, 3987162, 5980743, 9081869, 9524887, 11961486, 18163738, 19049774, 27245607, 28574661, 54491214, 57149322, 81736821, 85723983, 163473642, 171447966, 245210463, 257171949, 390520367, 490420926, 514343898, 781040734, 1171561101, 2343122202, 3514683303, 7029366606, 10544049909, 21088099818]

約数ペア:

[(1, 21088099818), (2, 10544049909), (3, 7029366606), (6, 3514683303), (9, 2343122202), (18, 1171561101), (27, 781040734), (41, 514343898), (43, 490420926), (54, 390520367), (82, 257171949), (86, 245210463), (123, 171447966), (129, 163473642), (246, 85723983), (258, 81736821), (369, 57149322), (387, 54491214), (738, 28574661), (774, 27245607), (1107, 19049774), (1161, 18163738), (1763, 11961486), (2214, 9524887), (2322, 9081869), (3526, 5980743), (5289, 3987162), (10578, 1993581), (15867, 1329054), (31734, 664527), (47601, 443018), (95202, 221509)]