21735928

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{883}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 43439760

約数和(自身を除く): 21703832

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 181, 362, 724, 883, 1448, 1766, 3077, 3532, 6154, 7064, 12308, 15011, 24616, 30022, 60044, 120088, 159823, 319646, 639292, 1278584, 2716991, 5433982, 10867964, 21735928]

約数ペア:

[(1, 21735928), (2, 10867964), (4, 5433982), (8, 2716991), (17, 1278584), (34, 639292), (68, 319646), (136, 159823), (181, 120088), (362, 60044), (724, 30022), (883, 24616), (1448, 15011), (1766, 12308), (3077, 7064), (3532, 6154)]