21995630

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1039}}^1$

素因数の和:1148

約数の個数: 32

約数和(自身を含む): 41558400

約数和(自身を除く): 19562770

約数列:

[1, 2, 5, 10, 29, 58, 73, 145, 146, 290, 365, 730, 1039, 2078, 2117, 4234, 5195, 10390, 10585, 21170, 30131, 60262, 75847, 150655, 151694, 301310, 379235, 758470, 2199563, 4399126, 10997815, 21995630]

約数ペア:

[(1, 21995630), (2, 10997815), (5, 4399126), (10, 2199563), (29, 758470), (58, 379235), (73, 301310), (145, 151694), (146, 150655), (290, 75847), (365, 60262), (730, 30131), (1039, 21170), (2078, 10585), (2117, 10390), (4234, 5195)]