21084564120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{634313}}^1$

素因数の和:634604

約数の個数: 64

約数和(自身を含む): 63482145120

約数和(自身を除く): 42397581000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 277, 554, 831, 1108, 1385, 1662, 2216, 2770, 3324, 4155, 5540, 6648, 8310, 11080, 16620, 33240, 634313, 1268626, 1902939, 2537252, 3171565, 3805878, 5074504, 6343130, 7611756, 9514695, 12686260, 15223512, 19029390, 25372520, 38058780, 76117560, 175704701, 351409402, 527114103, 702818804, 878523505, 1054228206, 1405637608, 1757047010, 2108456412, 2635570515, 3514094020, 4216912824, 5271141030, 7028188040, 10542282060, 21084564120]

約数ペア:

[(1, 21084564120), (2, 10542282060), (3, 7028188040), (4, 5271141030), (5, 4216912824), (6, 3514094020), (8, 2635570515), (10, 2108456412), (12, 1757047010), (15, 1405637608), (20, 1054228206), (24, 878523505), (30, 702818804), (40, 527114103), (60, 351409402), (120, 175704701), (277, 76117560), (554, 38058780), (831, 25372520), (1108, 19029390), (1385, 15223512), (1662, 12686260), (2216, 9514695), (2770, 7611756), (3324, 6343130), (4155, 5074504), (5540, 3805878), (6648, 3171565), (8310, 2537252), (11080, 1902939), (16620, 1268626), (33240, 634313)]