21149583

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{77471}}^1$

素因数の和:77494

約数の個数: 16

約数和(自身を含む): 34707456

約数和(自身を除く): 13557873

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 77471, 232413, 542297, 1007123, 1626891, 3021369, 7049861, 21149583]

約数ペア:

[(1, 21149583), (3, 7049861), (7, 3021369), (13, 1626891), (21, 1007123), (39, 542297), (91, 232413), (273, 77471)]