21984344

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 42854400

約数和(自身を除く): 20870056

約数列:

[1, 2, 4, 8, 47, 59, 94, 118, 188, 236, 376, 472, 991, 1982, 2773, 3964, 5546, 7928, 11092, 22184, 46577, 58469, 93154, 116938, 186308, 233876, 372616, 467752, 2748043, 5496086, 10992172, 21984344]

約数ペア:

[(1, 21984344), (2, 10992172), (4, 5496086), (8, 2748043), (47, 467752), (59, 372616), (94, 233876), (118, 186308), (188, 116938), (236, 93154), (376, 58469), (472, 46577), (991, 22184), (1982, 11092), (2773, 7928), (3964, 5546)]