21880599

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 31973760

約数和(自身を除く): 10093161

約数列:

[1, 3, 13, 39, 103, 169, 309, 419, 507, 1257, 1339, 4017, 5447, 16341, 17407, 43157, 52221, 70811, 129471, 212433, 561041, 1683123, 7293533, 21880599]

約数ペア:

[(1, 21880599), (3, 7293533), (13, 1683123), (39, 561041), (103, 212433), (169, 129471), (309, 70811), (419, 52221), (507, 43157), (1257, 17407), (1339, 16341), (4017, 5447)]