21343256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{593}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 43837200

約数和(自身を除く): 22493944

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 409, 593, 818, 1186, 1636, 2372, 3272, 4499, 4744, 6523, 8998, 13046, 17996, 26092, 35992, 52184, 242537, 485074, 970148, 1940296, 2667907, 5335814, 10671628, 21343256]

約数ペア:

[(1, 21343256), (2, 10671628), (4, 5335814), (8, 2667907), (11, 1940296), (22, 970148), (44, 485074), (88, 242537), (409, 52184), (593, 35992), (818, 26092), (1186, 17996), (1636, 13046), (2372, 8998), (3272, 6523), (4499, 4744)]