21363030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:107

約数の個数: 144

約数和(自身を含む): 65061360

約数和(自身を除く): 43698330

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 30, 31, 38, 39, 45, 57, 62, 65, 78, 90, 93, 95, 114, 117, 130, 155, 171, 186, 190, 195, 234, 247, 279, 285, 310, 342, 390, 403, 465, 494, 558, 570, 585, 589, 741, 806, 855, 930, 961, 1170, 1178, 1209, 1235, 1395, 1482, 1710, 1767, 1922, 2015, 2223, 2418, 2470, 2790, 2883, 2945, 3534, 3627, 3705, 4030, 4446, 4805, 5301, 5766, 5890, 6045, 7254, 7410, 7657, 8649, 8835, 9610, 10602, 11115, 12090, 12493, 14415, 15314, 17298, 17670, 18135, 18259, 22230, 22971, 24986, 26505, 28830, 36270, 36518, 37479, 38285, 43245, 45942, 53010, 54777, 62465, 68913, 74958, 76570, 86490, 91295, 109554, 112437, 114855, 124930, 137826, 164331, 182590, 187395, 224874, 229710, 237367, 273885, 328662, 344565, 374790, 474734, 547770, 562185, 689130, 712101, 821655, 1124370, 1186835, 1424202, 1643310, 2136303, 2373670, 3560505, 4272606, 7121010, 10681515, 21363030]

約数ペア:

[(1, 21363030), (2, 10681515), (3, 7121010), (5, 4272606), (6, 3560505), (9, 2373670), (10, 2136303), (13, 1643310), (15, 1424202), (18, 1186835), (19, 1124370), (26, 821655), (30, 712101), (31, 689130), (38, 562185), (39, 547770), (45, 474734), (57, 374790), (62, 344565), (65, 328662), (78, 273885), (90, 237367), (93, 229710), (95, 224874), (114, 187395), (117, 182590), (130, 164331), (155, 137826), (171, 124930), (186, 114855), (190, 112437), (195, 109554), (234, 91295), (247, 86490), (279, 76570), (285, 74958), (310, 68913), (342, 62465), (390, 54777), (403, 53010), (465, 45942), (494, 43245), (558, 38285), (570, 37479), (585, 36518), (589, 36270), (741, 28830), (806, 26505), (855, 24986), (930, 22971), (961, 22230), (1170, 18259), (1178, 18135), (1209, 17670), (1235, 17298), (1395, 15314), (1482, 14415), (1710, 12493), (1767, 12090), (1922, 11115), (2015, 10602), (2223, 9610), (2418, 8835), (2470, 8649), (2790, 7657), (2883, 7410), (2945, 7254), (3534, 6045), (3627, 5890), (3705, 5766), (4030, 5301), (4446, 4805)]