21974735

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1019}}^1$

素因数の和:1270

約数の個数: 16

約数和(自身を含む): 27907200

約数和(自身を除く): 5932465

約数列:

[1, 5, 19, 95, 227, 1019, 1135, 4313, 5095, 19361, 21565, 96805, 231313, 1156565, 4394947, 21974735]

約数ペア:

[(1, 21974735), (5, 4394947), (19, 1156565), (95, 231313), (227, 96805), (1019, 21565), (1135, 19361), (4313, 5095)]