21300006

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5573}}^1$

素因数の和:5605

約数の個数: 48

約数和(自身を含む): 53376624

約数和(自身を除く): 32076618

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, 5573, 11146, 16719, 33438, 39011, 72449, 78022, 117033, 144898, 217347, 234066, 273077, 434694, 507143, 546154, 819231, 1014286, 1521429, 1638462, 3042858, 3550001, 7100002, 10650003, 21300006]

約数ペア:

[(1, 21300006), (2, 10650003), (3, 7100002), (6, 3550001), (7, 3042858), (13, 1638462), (14, 1521429), (21, 1014286), (26, 819231), (39, 546154), (42, 507143), (49, 434694), (78, 273077), (91, 234066), (98, 217347), (147, 144898), (182, 117033), (273, 78022), (294, 72449), (546, 39011), (637, 33438), (1274, 16719), (1911, 11146), (3822, 5573)]