21901154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 15423646

約数列:

[1, 2, 11, 22, 47, 59, 94, 118, 359, 517, 649, 718, 1034, 1298, 2773, 3949, 5546, 7898, 16873, 21181, 30503, 33746, 42362, 61006, 185603, 232991, 371206, 465982, 995507, 1991014, 10950577, 21901154]

約数ペア:

[(1, 21901154), (2, 10950577), (11, 1991014), (22, 995507), (47, 465982), (59, 371206), (94, 232991), (118, 185603), (359, 61006), (517, 42362), (649, 33746), (718, 30503), (1034, 21181), (1298, 16873), (2773, 7898), (3949, 5546)]