21756736

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19997}}^1$

素因数の和:20026

約数の個数: 28

約数和(自身を含む): 45715428

約数和(自身を除く): 23958692

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19997, 39994, 79988, 159976, 319952, 339949, 639904, 679898, 1279808, 1359796, 2719592, 5439184, 10878368, 21756736]

約数ペア:

[(1, 21756736), (2, 10878368), (4, 5439184), (8, 2719592), (16, 1359796), (17, 1279808), (32, 679898), (34, 639904), (64, 339949), (68, 319952), (136, 159976), (272, 79988), (544, 39994), (1088, 19997)]