21563531

素因数分解:

${\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{953}}^1$

素因数の和:1003

約数の個数: 16

約数和(自身を含む): 25139808

約数和(自身を除く): 3576277

約数列:

[1, 11, 17, 121, 187, 953, 1331, 2057, 10483, 16201, 22627, 115313, 178211, 1268443, 1960321, 21563531]

約数ペア:

[(1, 21563531), (11, 1960321), (17, 1268443), (121, 178211), (187, 115313), (953, 22627), (1331, 16201), (2057, 10483)]