21821394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4091}}^1$

素因数の和:4230

約数の個数: 32

約数和(自身を含む): 50282496

約数和(自身を除く): 28461102

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 4091, 5334, 8182, 12273, 24546, 28637, 57274, 85911, 171822, 519557, 1039114, 1558671, 3117342, 3636899, 7273798, 10910697, 21821394]

約数ペア:

[(1, 21821394), (2, 10910697), (3, 7273798), (6, 3636899), (7, 3117342), (14, 1558671), (21, 1039114), (42, 519557), (127, 171822), (254, 85911), (381, 57274), (762, 28637), (889, 24546), (1778, 12273), (2667, 8182), (4091, 5334)]