21431144

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3511}}^1$

素因数の和:3633

約数の個数: 32

約数和(自身を含む): 46358400

約数和(自身を除く): 24927256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 218, 436, 763, 872, 1526, 3052, 3511, 6104, 7022, 14044, 24577, 28088, 49154, 98308, 196616, 382699, 765398, 1530796, 2678893, 3061592, 5357786, 10715572, 21431144]

約数ペア:

[(1, 21431144), (2, 10715572), (4, 5357786), (7, 3061592), (8, 2678893), (14, 1530796), (28, 765398), (56, 382699), (109, 196616), (218, 98308), (436, 49154), (763, 28088), (872, 24577), (1526, 14044), (3052, 7022), (3511, 6104)]