21511164

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1321}}^1$

素因数の和:1410

約数の個数: 48

約数和(自身を含む): 53303040

約数和(自身を除く): 31791876

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 59, 69, 92, 118, 138, 177, 236, 276, 354, 708, 1321, 1357, 2642, 2714, 3963, 4071, 5284, 5428, 7926, 8142, 15852, 16284, 30383, 60766, 77939, 91149, 121532, 155878, 182298, 233817, 311756, 364596, 467634, 935268, 1792597, 3585194, 5377791, 7170388, 10755582, 21511164]

約数ペア:

[(1, 21511164), (2, 10755582), (3, 7170388), (4, 5377791), (6, 3585194), (12, 1792597), (23, 935268), (46, 467634), (59, 364596), (69, 311756), (92, 233817), (118, 182298), (138, 155878), (177, 121532), (236, 91149), (276, 77939), (354, 60766), (708, 30383), (1321, 16284), (1357, 15852), (2642, 8142), (2714, 7926), (3963, 5428), (4071, 5284)]