21547408

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{17047}}^1$

素因数の和:17134

約数の個数: 20

約数和(自身を含む): 42279040

約数和(自身を除く): 20731632

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 17047, 34094, 68188, 136376, 272752, 1346713, 2693426, 5386852, 10773704, 21547408]

約数ペア:

[(1, 21547408), (2, 10773704), (4, 5386852), (8, 2693426), (16, 1346713), (79, 272752), (158, 136376), (316, 68188), (632, 34094), (1264, 17047)]