21284128

素因数分解:

$2^5\times {\mathrm{97}}^1\times {\mathrm{6857}}^1$

素因数の和:6964

約数の個数: 24

約数和(自身を含む): 42341292

約数和(自身を除く): 21057164

約数列:

[1, 2, 4, 8, 16, 32, 97, 194, 388, 776, 1552, 3104, 6857, 13714, 27428, 54856, 109712, 219424, 665129, 1330258, 2660516, 5321032, 10642064, 21284128]

約数ペア:

[(1, 21284128), (2, 10642064), (4, 5321032), (8, 2660516), (16, 1330258), (32, 665129), (97, 219424), (194, 109712), (388, 54856), (776, 27428), (1552, 13714), (3104, 6857)]