21308430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4967}}^1$

素因数の和:5001

約数の個数: 64

約数和(自身を含む): 60092928

約数和(自身を除く): 38784498

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 4967, 9934, 14901, 24835, 29802, 49670, 54637, 64571, 74505, 109274, 129142, 149010, 163911, 193713, 273185, 322855, 327822, 387426, 546370, 645710, 710281, 819555, 968565, 1420562, 1639110, 1937130, 2130843, 3551405, 4261686, 7102810, 10654215, 21308430]

約数ペア:

[(1, 21308430), (2, 10654215), (3, 7102810), (5, 4261686), (6, 3551405), (10, 2130843), (11, 1937130), (13, 1639110), (15, 1420562), (22, 968565), (26, 819555), (30, 710281), (33, 645710), (39, 546370), (55, 387426), (65, 327822), (66, 322855), (78, 273185), (110, 193713), (130, 163911), (143, 149010), (165, 129142), (195, 109274), (286, 74505), (330, 64571), (390, 54637), (429, 49670), (715, 29802), (858, 24835), (1430, 14901), (2145, 9934), (4290, 4967)]