21974642

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{9103}}^1$

素因数の和:9193

約数の個数: 16

約数和(自身を含む): 35396352

約数和(自身を除く): 13421710

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 9103, 18206, 154751, 309502, 646313, 1292626, 10987321, 21974642]

約数ペア:

[(1, 21974642), (2, 10987321), (17, 1292626), (34, 646313), (71, 309502), (142, 154751), (1207, 18206), (2414, 9103)]