21291255882

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1783}}^1\times {\mathrm{51031}}^1$

素因数の和:52835

約数の個数: 48

約数和(自身を含む): 49708434048

約数和(自身を除く): 28417178166

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 1783, 3566, 5349, 10698, 16047, 23179, 32094, 46358, 51031, 69537, 102062, 139074, 153093, 208611, 306186, 417222, 459279, 663403, 918558, 1326806, 1990209, 3980418, 5970627, 11941254, 90988273, 181976546, 272964819, 545929638, 818894457, 1182847549, 1637788914, 2365695098, 3548542647, 7097085294, 10645627941, 21291255882]

約数ペア:

[(1, 21291255882), (2, 10645627941), (3, 7097085294), (6, 3548542647), (9, 2365695098), (13, 1637788914), (18, 1182847549), (26, 818894457), (39, 545929638), (78, 272964819), (117, 181976546), (234, 90988273), (1783, 11941254), (3566, 5970627), (5349, 3980418), (10698, 1990209), (16047, 1326806), (23179, 918558), (32094, 663403), (46358, 459279), (51031, 417222), (69537, 306186), (102062, 208611), (139074, 153093)]