21757806

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{172681}}^1$

素因数の和:172696

約数の個数: 24

約数和(自身を含む): 53876784

約数和(自身を除く): 32118978

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 172681, 345362, 518043, 1036086, 1208767, 1554129, 2417534, 3108258, 3626301, 7252602, 10878903, 21757806]

約数ペア:

[(1, 21757806), (2, 10878903), (3, 7252602), (6, 3626301), (7, 3108258), (9, 2417534), (14, 1554129), (18, 1208767), (21, 1036086), (42, 518043), (63, 345362), (126, 172681)]