21971923

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 24376320

約数和(自身を除く): 2404397

約数列:

[1, 19, 23, 137, 367, 437, 2603, 3151, 6973, 8441, 50279, 59869, 160379, 955301, 1156417, 21971923]

約数ペア:

[(1, 21971923), (19, 1156417), (23, 955301), (137, 160379), (367, 59869), (437, 50279), (2603, 8441), (3151, 6973)]