21895832

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5507}}^1$

素因数の和:5591

約数の個数: 32

約数和(自身を含む): 47589120

約数和(自身を除く): 25693288

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 5507, 11014, 22028, 38549, 44056, 77098, 154196, 308392, 390997, 781994, 1563988, 2736979, 3127976, 5473958, 10947916, 21895832]

約数ペア:

[(1, 21895832), (2, 10947916), (4, 5473958), (7, 3127976), (8, 2736979), (14, 1563988), (28, 781994), (56, 390997), (71, 308392), (142, 154196), (284, 77098), (497, 44056), (568, 38549), (994, 22028), (1988, 11014), (3976, 5507)]