21429798

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6701}}^1$

素因数の和:6760

約数の個数: 32

約数和(自身を含む): 47289312

約数和(自身を除く): 25859514

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 246, 533, 1066, 1599, 3198, 6701, 13402, 20103, 40206, 87113, 174226, 261339, 274741, 522678, 549482, 824223, 1648446, 3571633, 7143266, 10714899, 21429798]

約数ペア:

[(1, 21429798), (2, 10714899), (3, 7143266), (6, 3571633), (13, 1648446), (26, 824223), (39, 549482), (41, 522678), (78, 274741), (82, 261339), (123, 174226), (246, 87113), (533, 40206), (1066, 20103), (1599, 13402), (3198, 6701)]