21146476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17681}}^1$

素因数の和:17721

約数の個数: 24

約数和(自身を含む): 41588064

約数和(自身を除く): 20441588

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 17681, 35362, 70724, 229853, 406663, 459706, 813326, 919412, 1626652, 5286619, 10573238, 21146476]

約数ペア:

[(1, 21146476), (2, 10573238), (4, 5286619), (13, 1626652), (23, 919412), (26, 813326), (46, 459706), (52, 406663), (92, 229853), (299, 70724), (598, 35362), (1196, 17681)]