21902601

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 35186688

約数和(自身を除く): 13284087

約数列:

[1, 3, 7, 21, 23, 69, 137, 161, 331, 411, 483, 959, 993, 2317, 2877, 3151, 6951, 7613, 9453, 22057, 22839, 45347, 53291, 66171, 136041, 159873, 317429, 952287, 1042981, 3128943, 7300867, 21902601]

約数ペア:

[(1, 21902601), (3, 7300867), (7, 3128943), (21, 1042981), (23, 952287), (69, 317429), (137, 159873), (161, 136041), (331, 66171), (411, 53291), (483, 45347), (959, 22839), (993, 22057), (2317, 9453), (2877, 7613), (3151, 6951)]