21710910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 34898370

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 179, 195, 311, 358, 390, 537, 622, 895, 933, 1074, 1555, 1790, 1866, 2327, 2685, 3110, 4043, 4654, 4665, 5370, 6981, 8086, 9330, 11635, 12129, 13962, 20215, 23270, 24258, 34905, 40430, 55669, 60645, 69810, 111338, 121290, 167007, 278345, 334014, 556690, 723697, 835035, 1447394, 1670070, 2171091, 3618485, 4342182, 7236970, 10855455, 21710910]

約数ペア:

[(1, 21710910), (2, 10855455), (3, 7236970), (5, 4342182), (6, 3618485), (10, 2171091), (13, 1670070), (15, 1447394), (26, 835035), (30, 723697), (39, 556690), (65, 334014), (78, 278345), (130, 167007), (179, 121290), (195, 111338), (311, 69810), (358, 60645), (390, 55669), (537, 40430), (622, 34905), (895, 24258), (933, 23270), (1074, 20215), (1555, 13962), (1790, 12129), (1866, 11635), (2327, 9330), (2685, 8086), (3110, 6981), (4043, 5370), (4654, 4665)]