21399196

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58789}}^1$

素因数の和:58813

約数の個数: 24

約数和(自身を含む): 46091360

約数和(自身を除く): 24692164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 58789, 117578, 235156, 411523, 764257, 823046, 1528514, 1646092, 3057028, 5349799, 10699598, 21399196]

約数ペア:

[(1, 21399196), (2, 10699598), (4, 5349799), (7, 3057028), (13, 1646092), (14, 1528514), (26, 823046), (28, 764257), (52, 411523), (91, 235156), (182, 117578), (364, 58789)]