21453135

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5653}}^1$

素因数の和:5695

約数の個数: 32

約数和(自身を含む): 39080448

約数和(自身を除く): 17627313

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5653, 16959, 28265, 62183, 84795, 130019, 186549, 310915, 390057, 650095, 932745, 1430209, 1950285, 4290627, 7151045, 21453135]

約数ペア:

[(1, 21453135), (3, 7151045), (5, 4290627), (11, 1950285), (15, 1430209), (23, 932745), (33, 650095), (55, 390057), (69, 310915), (115, 186549), (165, 130019), (253, 84795), (345, 62183), (759, 28265), (1265, 16959), (3795, 5653)]