21826972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6679}}^1$

素因数の和:6745

約数の個数: 24

約数和(自身を含む): 41148800

約数和(自身を除く): 19321828

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 6679, 13358, 26716, 126901, 253802, 287197, 507604, 574394, 1148788, 5456743, 10913486, 21826972]

約数ペア:

[(1, 21826972), (2, 10913486), (4, 5456743), (19, 1148788), (38, 574394), (43, 507604), (76, 287197), (86, 253802), (172, 126901), (817, 26716), (1634, 13358), (3268, 6679)]