21521976

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{18301}}^1$

素因数の和:18324

約数の個数: 48

約数和(自身を含む): 62592840

約数和(自身を除く): 41070864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 18301, 36602, 54903, 73204, 109806, 128107, 146408, 219612, 256214, 384321, 439224, 512428, 768642, 896749, 1024856, 1537284, 1793498, 2690247, 3074568, 3586996, 5380494, 7173992, 10760988, 21521976]

約数ペア:

[(1, 21521976), (2, 10760988), (3, 7173992), (4, 5380494), (6, 3586996), (7, 3074568), (8, 2690247), (12, 1793498), (14, 1537284), (21, 1024856), (24, 896749), (28, 768642), (42, 512428), (49, 439224), (56, 384321), (84, 256214), (98, 219612), (147, 146408), (168, 128107), (196, 109806), (294, 73204), (392, 54903), (588, 36602), (1176, 18301)]