21383184

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 57506240

約数和(自身を除く): 36123056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 67, 109, 122, 134, 183, 201, 218, 244, 268, 327, 366, 402, 436, 488, 536, 654, 732, 804, 872, 976, 1072, 1308, 1464, 1608, 1744, 2616, 2928, 3216, 4087, 5232, 6649, 7303, 8174, 12261, 13298, 14606, 16348, 19947, 21909, 24522, 26596, 29212, 32696, 39894, 43818, 49044, 53192, 58424, 65392, 79788, 87636, 98088, 106384, 116848, 159576, 175272, 196176, 319152, 350544, 445483, 890966, 1336449, 1781932, 2672898, 3563864, 5345796, 7127728, 10691592, 21383184]

約数ペア:

[(1, 21383184), (2, 10691592), (3, 7127728), (4, 5345796), (6, 3563864), (8, 2672898), (12, 1781932), (16, 1336449), (24, 890966), (48, 445483), (61, 350544), (67, 319152), (109, 196176), (122, 175272), (134, 159576), (183, 116848), (201, 106384), (218, 98088), (244, 87636), (268, 79788), (327, 65392), (366, 58424), (402, 53192), (436, 49044), (488, 43818), (536, 39894), (654, 32696), (732, 29212), (804, 26596), (872, 24522), (976, 21909), (1072, 19947), (1308, 16348), (1464, 14606), (1608, 13298), (1744, 12261), (2616, 8174), (2928, 7303), (3216, 6649), (4087, 5232)]