21000966546

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{6917}}^1$

素因数の和:7408

約数の個数: 96

約数和(自身を含む): 51104649600

約数和(自身を除く): 30103683054

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 49, 69, 98, 138, 147, 161, 294, 322, 449, 483, 898, 966, 1127, 1347, 2254, 2694, 3143, 3381, 6286, 6762, 6917, 9429, 10327, 13834, 18858, 20654, 20751, 22001, 30981, 41502, 44002, 48419, 61962, 66003, 72289, 96838, 132006, 144578, 145257, 159091, 216867, 290514, 318182, 338933, 433734, 477273, 506023, 677866, 954546, 1012046, 1016799, 1113637, 1518069, 2033598, 2227274, 3036138, 3105733, 3340911, 6211466, 6681822, 7795459, 9317199, 15590918, 18634398, 21740131, 23386377, 43480262, 46772754, 65220393, 71431859, 130440786, 142863718, 152180917, 214295577, 304361834, 428591154, 456542751, 500023013, 913085502, 1000046026, 1500069039, 3000138078, 3500161091, 7000322182, 10500483273, 21000966546]

約数ペア:

[(1, 21000966546), (2, 10500483273), (3, 7000322182), (6, 3500161091), (7, 3000138078), (14, 1500069039), (21, 1000046026), (23, 913085502), (42, 500023013), (46, 456542751), (49, 428591154), (69, 304361834), (98, 214295577), (138, 152180917), (147, 142863718), (161, 130440786), (294, 71431859), (322, 65220393), (449, 46772754), (483, 43480262), (898, 23386377), (966, 21740131), (1127, 18634398), (1347, 15590918), (2254, 9317199), (2694, 7795459), (3143, 6681822), (3381, 6211466), (6286, 3340911), (6762, 3105733), (6917, 3036138), (9429, 2227274), (10327, 2033598), (13834, 1518069), (18858, 1113637), (20654, 1016799), (20751, 1012046), (22001, 954546), (30981, 677866), (41502, 506023), (44002, 477273), (48419, 433734), (61962, 338933), (66003, 318182), (72289, 290514), (96838, 216867), (132006, 159091), (144578, 145257)]