21532795

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 29376000

約数和(自身を除く): 7843205

約数列:

[1, 5, 17, 19, 67, 85, 95, 199, 323, 335, 995, 1139, 1273, 1615, 3383, 3781, 5695, 6365, 13333, 16915, 18905, 21641, 64277, 66665, 108205, 226661, 253327, 321385, 1133305, 1266635, 4306559, 21532795]

約数ペア:

[(1, 21532795), (5, 4306559), (17, 1266635), (19, 1133305), (67, 321385), (85, 253327), (95, 226661), (199, 108205), (323, 66665), (335, 64277), (995, 21641), (1139, 18905), (1273, 16915), (1615, 13333), (3383, 6365), (3781, 5695)]