21940716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{971}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 58786560

約数和(自身を除く): 36845844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 269, 538, 807, 971, 1076, 1614, 1883, 1942, 2913, 3228, 3766, 3884, 5649, 5826, 6797, 7532, 11298, 11652, 13594, 20391, 22596, 27188, 40782, 81564, 261199, 522398, 783597, 1044796, 1567194, 1828393, 3134388, 3656786, 5485179, 7313572, 10970358, 21940716]

約数ペア:

[(1, 21940716), (2, 10970358), (3, 7313572), (4, 5485179), (6, 3656786), (7, 3134388), (12, 1828393), (14, 1567194), (21, 1044796), (28, 783597), (42, 522398), (84, 261199), (269, 81564), (538, 40782), (807, 27188), (971, 22596), (1076, 20391), (1614, 13594), (1883, 11652), (1942, 11298), (2913, 7532), (3228, 6797), (3766, 5826), (3884, 5649)]