21850455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{877}}^1$

素因数の和:1047

約数の個数: 32

約数和(自身を含む): 38435328

約数和(自身を除く): 16584873

約数列:

[1, 3, 5, 11, 15, 33, 55, 151, 165, 453, 755, 877, 1661, 2265, 2631, 4385, 4983, 8305, 9647, 13155, 24915, 28941, 48235, 132427, 144705, 397281, 662135, 1456697, 1986405, 4370091, 7283485, 21850455]

約数ペア:

[(1, 21850455), (3, 7283485), (5, 4370091), (11, 1986405), (15, 1456697), (33, 662135), (55, 397281), (151, 144705), (165, 132427), (453, 48235), (755, 28941), (877, 24915), (1661, 13155), (2265, 9647), (2631, 8305), (4385, 4983)]