21275509695

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1721}}^1\times {\mathrm{74923}}^1$

素因数の和:76663

約数の個数: 32

約数和(自身を含む): 37157508864

約数和(自身を除く): 15881999169

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 1721, 5163, 8605, 18931, 25815, 56793, 74923, 94655, 224769, 283965, 374615, 824153, 1123845, 2472459, 4120765, 12362295, 128942483, 386827449, 644712415, 1418367313, 1934137245, 4255101939, 7091836565, 21275509695]

約数ペア:

[(1, 21275509695), (3, 7091836565), (5, 4255101939), (11, 1934137245), (15, 1418367313), (33, 644712415), (55, 386827449), (165, 128942483), (1721, 12362295), (5163, 4120765), (8605, 2472459), (18931, 1123845), (25815, 824153), (56793, 374615), (74923, 283965), (94655, 224769)]