21323001

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 34265088

約数和(自身を除く): 12942087

約数列:

[1, 3, 7, 21, 23, 69, 131, 161, 337, 393, 483, 917, 1011, 2359, 2751, 3013, 7077, 7751, 9039, 21091, 23253, 44147, 54257, 63273, 132441, 162771, 309029, 927087, 1015381, 3046143, 7107667, 21323001]

約数ペア:

[(1, 21323001), (3, 7107667), (7, 3046143), (21, 1015381), (23, 927087), (69, 309029), (131, 162771), (161, 132441), (337, 63273), (393, 54257), (483, 44147), (917, 23253), (1011, 21091), (2359, 9039), (2751, 7751), (3013, 7077)]