21330582

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5581}}^1$

素因数の和:5613

約数の個数: 48

約数和(自身を含む): 53453232

約数和(自身を除く): 32122650

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 5581, 11162, 16743, 33486, 39067, 72553, 78134, 117201, 145106, 217659, 234402, 273469, 435318, 507871, 546938, 820407, 1015742, 1523613, 1640814, 3047226, 3555097, 7110194, 10665291, 21330582]

約数ペア:

[(1, 21330582), (2, 10665291), (3, 7110194), (6, 3555097), (7, 3047226), (13, 1640814), (14, 1523613), (21, 1015742), (26, 820407), (39, 546938), (42, 507871), (49, 435318), (78, 273469), (91, 234402), (98, 217659), (147, 145106), (182, 117201), (273, 78134), (294, 72553), (546, 39067), (637, 33486), (1274, 16743), (1911, 11162), (3822, 5581)]