21689412

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{379}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 53625600

約数和(自身を除く): 31936188

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 251, 379, 502, 753, 758, 1004, 1137, 1506, 1516, 2274, 3012, 4548, 4769, 7201, 9538, 14307, 14402, 19076, 21603, 28614, 28804, 43206, 57228, 86412, 95129, 190258, 285387, 380516, 570774, 1141548, 1807451, 3614902, 5422353, 7229804, 10844706, 21689412]

約数ペア:

[(1, 21689412), (2, 10844706), (3, 7229804), (4, 5422353), (6, 3614902), (12, 1807451), (19, 1141548), (38, 570774), (57, 380516), (76, 285387), (114, 190258), (228, 95129), (251, 86412), (379, 57228), (502, 43206), (753, 28804), (758, 28614), (1004, 21603), (1137, 19076), (1506, 14402), (1516, 14307), (2274, 9538), (3012, 7201), (4548, 4769)]