21102948

素因数分解:

$2^2\times 3^2\times {\mathrm{619}}^1\times {\mathrm{947}}^1$

素因数の和:1576

約数の個数: 36

約数和(自身を含む): 53486160

約数和(自身を除く): 32383212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 619, 947, 1238, 1857, 1894, 2476, 2841, 3714, 3788, 5571, 5682, 7428, 8523, 11142, 11364, 17046, 22284, 34092, 586193, 1172386, 1758579, 2344772, 3517158, 5275737, 7034316, 10551474, 21102948]

約数ペア:

[(1, 21102948), (2, 10551474), (3, 7034316), (4, 5275737), (6, 3517158), (9, 2344772), (12, 1758579), (18, 1172386), (36, 586193), (619, 34092), (947, 22284), (1238, 17046), (1857, 11364), (1894, 11142), (2476, 8523), (2841, 7428), (3714, 5682), (3788, 5571)]