21301410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{283}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 55536768

約数和(自身を除く): 34235358

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 193, 195, 283, 386, 390, 566, 579, 849, 965, 1158, 1415, 1698, 1930, 2509, 2830, 2895, 3679, 4245, 5018, 5790, 7358, 7527, 8490, 11037, 12545, 15054, 18395, 22074, 25090, 36790, 37635, 54619, 55185, 75270, 109238, 110370, 163857, 273095, 327714, 546190, 710047, 819285, 1420094, 1638570, 2130141, 3550235, 4260282, 7100470, 10650705, 21301410]

約数ペア:

[(1, 21301410), (2, 10650705), (3, 7100470), (5, 4260282), (6, 3550235), (10, 2130141), (13, 1638570), (15, 1420094), (26, 819285), (30, 710047), (39, 546190), (65, 327714), (78, 273095), (130, 163857), (193, 110370), (195, 109238), (283, 75270), (386, 55185), (390, 54619), (566, 37635), (579, 36790), (849, 25090), (965, 22074), (1158, 18395), (1415, 15054), (1698, 12545), (1930, 11037), (2509, 8490), (2830, 7527), (2895, 7358), (3679, 5790), (4245, 5018)]