21086145444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{271967}}^1$

素因数の和:272065

約数の個数: 96

約数和(自身を含む): 61408198656

約数和(自身を除く): 40322053212

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 71, 78, 84, 91, 142, 156, 182, 213, 273, 284, 364, 426, 497, 546, 852, 923, 994, 1092, 1491, 1846, 1988, 2769, 2982, 3692, 5538, 5964, 6461, 11076, 12922, 19383, 25844, 38766, 77532, 271967, 543934, 815901, 1087868, 1631802, 1903769, 3263604, 3535571, 3807538, 5711307, 7071142, 7615076, 10606713, 11422614, 14142284, 19309657, 21213426, 22845228, 24748997, 38619314, 42426852, 49497994, 57928971, 74246991, 77238628, 98995988, 115857942, 135167599, 148493982, 231715884, 251025541, 270335198, 296987964, 405502797, 502051082, 540670396, 753076623, 811005594, 1004102164, 1506153246, 1622011188, 1757178787, 3012306492, 3514357574, 5271536361, 7028715148, 10543072722, 21086145444]

約数ペア:

[(1, 21086145444), (2, 10543072722), (3, 7028715148), (4, 5271536361), (6, 3514357574), (7, 3012306492), (12, 1757178787), (13, 1622011188), (14, 1506153246), (21, 1004102164), (26, 811005594), (28, 753076623), (39, 540670396), (42, 502051082), (52, 405502797), (71, 296987964), (78, 270335198), (84, 251025541), (91, 231715884), (142, 148493982), (156, 135167599), (182, 115857942), (213, 98995988), (273, 77238628), (284, 74246991), (364, 57928971), (426, 49497994), (497, 42426852), (546, 38619314), (852, 24748997), (923, 22845228), (994, 21213426), (1092, 19309657), (1491, 14142284), (1846, 11422614), (1988, 10606713), (2769, 7615076), (2982, 7071142), (3692, 5711307), (5538, 3807538), (5964, 3535571), (6461, 3263604), (11076, 1903769), (12922, 1631802), (19383, 1087868), (25844, 815901), (38766, 543934), (77532, 271967)]