21893632

素因数分解:

$2^9\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:780

約数の個数: 40

約数和(自身を含む): 44525052

約数和(自身を除く): 22631420

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 512, 701, 976, 1402, 1952, 2804, 3904, 5608, 7808, 11216, 15616, 22432, 31232, 42761, 44864, 85522, 89728, 171044, 179456, 342088, 358912, 684176, 1368352, 2736704, 5473408, 10946816, 21893632]

約数ペア:

[(1, 21893632), (2, 10946816), (4, 5473408), (8, 2736704), (16, 1368352), (32, 684176), (61, 358912), (64, 342088), (122, 179456), (128, 171044), (244, 89728), (256, 85522), (488, 44864), (512, 42761), (701, 31232), (976, 22432), (1402, 15616), (1952, 11216), (2804, 7808), (3904, 5608)]