21086528

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19381}}^1$

素因数の和:19410

約数の個数: 28

約数和(自身を含む): 44307252

約数和(自身を除く): 23220724

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19381, 38762, 77524, 155048, 310096, 329477, 620192, 658954, 1240384, 1317908, 2635816, 5271632, 10543264, 21086528]

約数ペア:

[(1, 21086528), (2, 10543264), (4, 5271632), (8, 2635816), (16, 1317908), (17, 1240384), (32, 658954), (34, 620192), (64, 329477), (68, 310096), (136, 155048), (272, 77524), (544, 38762), (1088, 19381)]