21560910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1237}}^1$

素因数の和:1337

約数の個数: 64

約数和(自身を含む): 59899392

約数和(自身を除く): 38338482

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 83, 105, 166, 210, 249, 415, 498, 581, 830, 1162, 1237, 1245, 1743, 2474, 2490, 2905, 3486, 3711, 5810, 6185, 7422, 8659, 8715, 12370, 17318, 17430, 18555, 25977, 37110, 43295, 51954, 86590, 102671, 129885, 205342, 259770, 308013, 513355, 616026, 718697, 1026710, 1437394, 1540065, 2156091, 3080130, 3593485, 4312182, 7186970, 10780455, 21560910]

約数ペア:

[(1, 21560910), (2, 10780455), (3, 7186970), (5, 4312182), (6, 3593485), (7, 3080130), (10, 2156091), (14, 1540065), (15, 1437394), (21, 1026710), (30, 718697), (35, 616026), (42, 513355), (70, 308013), (83, 259770), (105, 205342), (166, 129885), (210, 102671), (249, 86590), (415, 51954), (498, 43295), (581, 37110), (830, 25977), (1162, 18555), (1237, 17430), (1245, 17318), (1743, 12370), (2474, 8715), (2490, 8659), (2905, 7422), (3486, 6185), (3711, 5810)]