21185720280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3461719}}^1$

素因数の和:3461753

約数の個数: 96

約数和(自身を含む): 72903823200

約数和(自身を除く): 51718102920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 3461719, 6923438, 10385157, 13846876, 17308595, 20770314, 27693752, 31155471, 34617190, 41540628, 51925785, 58849223, 62310942, 69234380, 83081256, 103851570, 117698446, 124621884, 138468760, 155777355, 176547669, 207703140, 235396892, 249243768, 294246115, 311554710, 353095338, 415406280, 470793784, 529643007, 588492230, 623109420, 706190676, 882738345, 1059286014, 1176984460, 1246218840, 1412381352, 1765476690, 2118572028, 2353968920, 2648215035, 3530953380, 4237144056, 5296430070, 7061906760, 10592860140, 21185720280]

約数ペア:

[(1, 21185720280), (2, 10592860140), (3, 7061906760), (4, 5296430070), (5, 4237144056), (6, 3530953380), (8, 2648215035), (9, 2353968920), (10, 2118572028), (12, 1765476690), (15, 1412381352), (17, 1246218840), (18, 1176984460), (20, 1059286014), (24, 882738345), (30, 706190676), (34, 623109420), (36, 588492230), (40, 529643007), (45, 470793784), (51, 415406280), (60, 353095338), (68, 311554710), (72, 294246115), (85, 249243768), (90, 235396892), (102, 207703140), (120, 176547669), (136, 155777355), (153, 138468760), (170, 124621884), (180, 117698446), (204, 103851570), (255, 83081256), (306, 69234380), (340, 62310942), (360, 58849223), (408, 51925785), (510, 41540628), (612, 34617190), (680, 31155471), (765, 27693752), (1020, 20770314), (1224, 17308595), (1530, 13846876), (2040, 10385157), (3060, 6923438), (6120, 3461719)]