21945190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{6079}}^1$

素因数の和:6124

約数の個数: 24

約数和(自身を含む): 41696640

約数和(自身を除く): 19751450

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 6079, 12158, 30395, 60790, 115501, 231002, 577505, 1155010, 2194519, 4389038, 10972595, 21945190]

約数ペア:

[(1, 21945190), (2, 10972595), (5, 4389038), (10, 2194519), (19, 1155010), (38, 577505), (95, 231002), (190, 115501), (361, 60790), (722, 30395), (1805, 12158), (3610, 6079)]