21548648240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{911}}^1\times {\mathrm{42239}}^1$

素因数の和:43170

約数の個数: 80

約数和(自身を含む): 57322045440

約数和(自身を除く): 35773397200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 911, 1822, 3644, 4555, 6377, 7288, 9110, 12754, 14576, 18220, 25508, 31885, 36440, 42239, 51016, 63770, 72880, 84478, 102032, 127540, 168956, 211195, 255080, 295673, 337912, 422390, 510160, 591346, 675824, 844780, 1182692, 1478365, 1689560, 2365384, 2956730, 3379120, 4730768, 5913460, 11826920, 23653840, 38479729, 76959458, 153918916, 192398645, 269358103, 307837832, 384797290, 538716206, 615675664, 769594580, 1077432412, 1346790515, 1539189160, 2154864824, 2693581030, 3078378320, 4309729648, 5387162060, 10774324120, 21548648240]

約数ペア:

[(1, 21548648240), (2, 10774324120), (4, 5387162060), (5, 4309729648), (7, 3078378320), (8, 2693581030), (10, 2154864824), (14, 1539189160), (16, 1346790515), (20, 1077432412), (28, 769594580), (35, 615675664), (40, 538716206), (56, 384797290), (70, 307837832), (80, 269358103), (112, 192398645), (140, 153918916), (280, 76959458), (560, 38479729), (911, 23653840), (1822, 11826920), (3644, 5913460), (4555, 4730768), (6377, 3379120), (7288, 2956730), (9110, 2365384), (12754, 1689560), (14576, 1478365), (18220, 1182692), (25508, 844780), (31885, 675824), (36440, 591346), (42239, 510160), (51016, 422390), (63770, 337912), (72880, 295673), (84478, 255080), (102032, 211195), (127540, 168956)]