21945906

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 49297248

約数和(自身を除く): 27351342

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 131, 227, 246, 262, 369, 393, 454, 681, 738, 786, 1179, 1362, 2043, 2358, 4086, 5371, 9307, 10742, 16113, 18614, 27921, 29737, 32226, 48339, 55842, 59474, 83763, 89211, 96678, 167526, 178422, 267633, 535266, 1219217, 2438434, 3657651, 7315302, 10972953, 21945906]

約数ペア:

[(1, 21945906), (2, 10972953), (3, 7315302), (6, 3657651), (9, 2438434), (18, 1219217), (41, 535266), (82, 267633), (123, 178422), (131, 167526), (227, 96678), (246, 89211), (262, 83763), (369, 59474), (393, 55842), (454, 48339), (681, 32226), (738, 29737), (786, 27921), (1179, 18614), (1362, 16113), (2043, 10742), (2358, 9307), (4086, 5371)]