21263776

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 44198784

約数和(自身を除く): 22935008

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 167, 173, 184, 334, 346, 368, 668, 692, 736, 1336, 1384, 2672, 2768, 3841, 3979, 5344, 5536, 7682, 7958, 15364, 15916, 28891, 30728, 31832, 57782, 61456, 63664, 115564, 122912, 127328, 231128, 462256, 664493, 924512, 1328986, 2657972, 5315944, 10631888, 21263776]

約数ペア:

[(1, 21263776), (2, 10631888), (4, 5315944), (8, 2657972), (16, 1328986), (23, 924512), (32, 664493), (46, 462256), (92, 231128), (167, 127328), (173, 122912), (184, 115564), (334, 63664), (346, 61456), (368, 57782), (668, 31832), (692, 30728), (736, 28891), (1336, 15916), (1384, 15364), (2672, 7958), (2768, 7682), (3841, 5536), (3979, 5344)]