21013728

素因数分解:

$2^5\times 3^1\times {\mathrm{71}}^1\times {\mathrm{3083}}^1$

素因数の和:3167

約数の個数: 48

約数和(自身を含む): 55956096

約数和(自身を除く): 34942368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 71, 96, 142, 213, 284, 426, 568, 852, 1136, 1704, 2272, 3083, 3408, 6166, 6816, 9249, 12332, 18498, 24664, 36996, 49328, 73992, 98656, 147984, 218893, 295968, 437786, 656679, 875572, 1313358, 1751144, 2626716, 3502288, 5253432, 7004576, 10506864, 21013728]

約数ペア:

[(1, 21013728), (2, 10506864), (3, 7004576), (4, 5253432), (6, 3502288), (8, 2626716), (12, 1751144), (16, 1313358), (24, 875572), (32, 656679), (48, 437786), (71, 295968), (96, 218893), (142, 147984), (213, 98656), (284, 73992), (426, 49328), (568, 36996), (852, 24664), (1136, 18498), (1704, 12332), (2272, 9249), (3083, 6816), (3408, 6166)]